January in San Jose — the year's strongest window
Best window · 9.6/10January averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 30 mm of rain — occasional showers rather than washed-out days — alongside about 31 sunny days and 11.6 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for San Jose at 9.6/10 — the reference point every other month on this page is measured against.
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, swimwear and real sun protection, footwear you can get muddy.
February in San Jose — the year's strongest window
Best window · 9.8/10February averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 27 sunny days and 11.8 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for San Jose at 9.8/10 — the reference point every other month on this page is measured against.
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, swimwear and real sun protection, footwear you can get muddy.
March in San Jose — the year's strongest window
Best window · 9.2/10March averages 21°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 52 mm, so plan one flexible day in three; you still get about 31 sunny days and 12.1 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for San Jose at 9.2/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.
April in San Jose — reliably good (5th best month)
Good · 7.2/10April averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 142 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.2/10 here, 5th of 12 months, against 9.8/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 2.6 points higher on the same scale.
May in San Jose — workable with trade-offs
Trade-offs · 6.1/10May averages 21°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
315 mm of rain puts this in monsoon territory — about 28 sunny days across the whole month, and multi-day washouts are normal.
It scores 6.1/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and 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 light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.7 points higher on the same scale.
June in San Jose — workable with trade-offs
Trade-offs · 6/10June averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
462 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.
It scores 6/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.8 points higher on the same scale.
July in San Jose — workable with trade-offs
Trade-offs · 6.1/10July averages 20°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
354 mm of rain puts this in monsoon territory — about 25 sunny days across the whole month, and multi-day washouts are normal.
It scores 6.1/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.7 points higher on the same scale.
August in San Jose — workable with trade-offs
Trade-offs · 6/10August averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
441 mm of rain puts this in monsoon territory — about 26 sunny days across the whole month, and multi-day washouts are normal.
It scores 6/10 here, 9th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.8 points higher on the same scale.
September in San Jose — workable with trade-offs
Trade-offs · 5.9/10September averages 20°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
464 mm of rain puts this in monsoon territory — about 26 sunny days across the whole month, and multi-day washouts are normal.
It scores 5.9/10 here, 10th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.9 points higher on the same scale.
October in San Jose — workable with trade-offs
Trade-offs · 5.8/10October averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
548 mm of rain puts this in monsoon territory — about 24 sunny days across the whole month, and multi-day washouts are normal.
It scores 5.8/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 4 points higher on the same scale.
November in San Jose — workable with trade-offs
Trade-offs · 5.9/10November averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
357 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.
It scores 5.9/10 here, 11th of 12 months, against 9.8/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in San Jose — 3.9 points higher on the same scale.
December in San Jose — reliably good (4th best month)
Good · 8.4/10December averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 73 mm, so plan one flexible day in three; you still get about 29 sunny days and 11.6 hours of daylight.
It scores 8.4/10 here, 4th of 12 months, against 9.8/10 in the destination's best month.
Expect peak pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.
