January in Basel: expect compromises
Hardest · 3.8/10January averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 63 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 8.6 hours of daylight.
It scores 3.8/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? July scores 4.7 points higher here — enough to change the trip.
February in Basel — the hardest end of the year
Hardest · 4.9/10February averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 49 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 10 hours of daylight.
It scores 4.9/10 here, 9th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? July scores 3.6 points higher here — enough to change the trip.
March in Basel: mixed conditions, plan around the weather
Trade-offs · 5.8/10Expect 6°C (44°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 75 mm of rain this month — a flexible day or two helps — with about 8 days with 6+ hours of sunshine and 11.6 hours of daylight to work around it.
That is 5.8/10 on the same scale — 7th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, July is materially better in Basel — 2.7 points higher on the same scale.
April in Basel — workable with trade-offs
Trade-offs · 6.5/10April averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 86 mm, so plan one flexible day in three; you still get about 14 days with 6+ hours of sunshine and 13.4 hours of daylight.
It scores 6.5/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? July scores 2 points higher here — enough to change the trip.
May in Basel: strong conditions, 4th of 12
Good · 7.6/10Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
108 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.6/10 on the same scale — 4th of 12 months, versus 8.5/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
June in Basel: strong conditions, 3rd of 12
Good · 8/10June averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 107 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 8/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
July: the best month of the year in Basel
Best window · 8.5/10July averages 20°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 86 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 15.4 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Basel at 8.5/10 — 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, a packable rain layer.
August in Basel — reliably good (2nd best month)
Good · 8.3/10At 20°C (68°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 92 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 14.1 hours of daylight to work around it.
That is 8.3/10 on the same scale — 2nd of 12 months, versus 8.5/10 for the best month here.
Expect 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, a packable rain layer.
September holds up well in Basel — 5th best month
Good · 7/10Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
115 mm of rain signals a properly wet month, with only about 12 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 7/10 on the same scale — 5th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
If your dates are flexible, July is materially better in Basel — 1.5 points higher on the same scale.
October in Basel: mixed conditions, plan around the weather
Trade-offs · 5.7/10October averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 102 mm this is a genuinely wet month: about 1 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.7/10 here, 8th of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Flexible dates? July scores 2.8 points higher here — enough to change the trip.
November in Basel — the hardest end of the year
Hardest · 3.7/10November averages 5°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 115 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 3.7/10 here, 11th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Flexible dates? July scores 4.8 points higher here — enough to change the trip.
December in Basel — the hardest end of the year
Hardest · 3.2/10At 2°C (35°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
Budget for roughly 96 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.2 hours of daylight to work around it.
That is 3.2/10 on the same scale — 12th of 12 months, versus 8.5/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, July is materially better in Basel — 5.3 points higher on the same scale.
