Climate guide for Muscat, Oman

Best Time to Visit
Muscat

How to read the score (0–10)
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01 · Oman

About Muscat

The Sultan Qaboos Grand Mosque, Mutrah Souq, and the corniche form the usual city circuit, while the royal opera house and the forts of Al Jalali and Al Mirani anchor the waterfront. Offshore, the Daymaniyat Islands are a boat trip for snorkeling and diving. Cool, dry air from December through February makes walking the corniche and exploring the forts comfortable.

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Did you know?

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Travel Tips

01Mosque Visit Windows
Sultan Qaboos Grand Mosque has visitor hours outside prayer times - confirm before going. Mutrah Corniche is pleasant toward sunset.
02Taxis Between Districts
Muscat sprawls - taxis or ride-hail connect Mutrah, Qurum and the mosque. Plan travel time between coastal sights.
03Fort & Mosque Access
Forts charge modest fees; the Grand Mosque is free with strict dress rules and free abayas for visitors when needed.
04Modest Dress & Heat
Cover shoulders and knees generally; women need head covering in the mosque. Hydrate constantly in dry heat and avoid midday wadis without a guide.

Things to do in Muscat

Muscat, Oman. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Muscat: the short answer

The best time to visit Muscat is January, followed by February, December. Those months combine the most usable temperatures with the fewest lost days to rain: January averages 21°C with 15 mm of rain and about 31 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are October, May. If budget matters more than perfect weather, April is the strongest of the low-rate months at 6.7/10.

Across the year Muscat swings from 21°C in January to 36°C in June, a 14-degree spread, while rainfall ranges from 0 mm in June to 25 mm in July. That is the whole planning problem in one sentence: Muscat is not equally good year-round, and the difference between the best and worst month here is 3.4 points on a 10-point scale.

Warmest month: June (36°C). Coolest: January (21°C). Driest: June (0 mm). Wettest: July (25 mm).

Muscat month by month

January in Muscat — the year's strongest window

Best window · 9.7/10

January averages 21°C (71°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Expect 15 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 10.9 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Muscat at 9.7/10 — the reference point every other month on this page is measured against.

Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

February in Muscat — one of the year's strongest windows (2nd)

Best window · 9.5/10

February averages 23°C (73°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Expect 18 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 11.4 daylight hours.

A 9.5/10 puts this among the year's best months in Muscat (2nd of 12); only January scores higher, at 9.7/10.

Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

March in Muscat: strong conditions, 4th of 12

Good · 8.1/10

Days in March average 26°C (79°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

At just 3 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12 hours of daylight.

That is 8.1/10 on the same scale — 4th of 12 months, versus 9.7/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

If your dates are flexible, January is materially better in Muscat — 1.6 points higher on the same scale.

April in Muscat: mixed conditions, plan around the weather

Trade-offs · 6.7/10

April averages 30°C (85°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 12.7 daylight hours.

It scores 6.7/10 here, 6th of 12 months, against 9.7/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? January scores 3 points higher here — enough to change the trip.

May in Muscat — workable with trade-offs

Trade-offs · 6.3/10

At 34°C (93°F), May is at its most extreme: early starts are not optional, and afternoons belong indoors.

At just 1 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.3 hours of daylight.

That is 6.3/10 on the same scale — 11th of 12 months, versus 9.7/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

If your dates are flexible, January is materially better in Muscat — 3.4 points higher on the same scale.

June in Muscat — middling scores, decent value

Trade-offs · 6.5/10

June averages 36°C (96°F) — genuinely punishing heat. Anything outdoors needs to happen before 10am.

Rain is a non-issue at 0 mm for the month, with about 30 days with 6+ hours of sunshine and 13.6 hours of daylight to work with.

It scores 6.5/10 here, 7th of 12 months, against 9.7/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? January scores 3.2 points higher here — enough to change the trip.

July in Muscat — workable with trade-offs

Trade-offs · 6.5/10

July averages 34°C (94°F) — genuinely punishing heat. Anything outdoors needs to happen before 10am.

Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 13.4 daylight hours.

It scores 6.5/10 here, 8th of 12 months, against 9.7/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? January scores 3.2 points higher here — enough to change the trip.

August in Muscat — workable with trade-offs

Trade-offs · 6.5/10

At 33°C (91°F) and 60% humidity, August is at its most extreme: early starts are not optional, and afternoons belong indoors.

At just 0 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.9 hours of daylight.

That is 6.5/10 on the same scale — 9th of 12 months, versus 9.7/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

If your dates are flexible, January is materially better in Muscat — 3.2 points higher on the same scale.

September in Muscat: mixed conditions, plan around the weather

Trade-offs · 6.4/10

At 32°C (90°F), September is at its most extreme: early starts are not optional, and afternoons belong indoors.

At just 1 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.3 hours of daylight.

That is 6.4/10 on the same scale — 10th of 12 months, versus 9.7/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

If your dates are flexible, January is materially better in Muscat — 3.3 points higher on the same scale.

October in Muscat — middling scores, decent value

Trade-offs · 6.3/10

October averages 30°C (86°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 11.6 daylight hours.

It scores 6.3/10 here, 12th of 12 months, against 9.7/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? January scores 3.4 points higher here — enough to change the trip.

November holds up well in Muscat — 5th best month

Good · 7.7/10

November averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 4 mm for the month, with about 30 days with 6+ hours of sunshine and 11 hours of daylight to work with.

It scores 7.7/10 here, 5th of 12 months, against 9.7/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? January scores 2 points higher here — enough to change the trip.

December in Muscat — one of the year's strongest windows (3rd)

Best window · 9.3/10

At 23°C (73°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.

At just 5 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 10.7 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Muscat at 9.3/10 (3rd of 12), just behind January at 9.7/10.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

FAQ

Frequently asked

When is the best time to visit Muscat, Oman?
In Ideal Weather mode, the best months to visit Muscat are January, February, December. January is the single peak month with an Ideal Weather score of 9.7/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Muscat year-round?
Muscat has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 21°C in January to 36°C in June, with Ideal Weather scores between 6.3 and 9.7 out of 10.
Which months should I avoid in Muscat?
The lowest Ideal Weather-scoring months in Muscat are May (6.3/10), October (6.3/10), September (6.4/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Muscat?
July is the wettest month in Muscat, averaging about 25 mm of rainfall. June is the driest, at roughly 0 mm.
Which is the sunniest month in Muscat?
January sees the most sun in Muscat, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Muscat a good destination for sightseeing and cultural travel?
Muscat is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (January, February, December) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Muscat calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Muscat: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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Curated in Muscat

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