Basel weather by month & the best time to visit
France · city break · oceanic / maritime climate

The best time to visit Basel is September — its sunniest month (Sunshine Score 75/100), with June and July close behind. Basel averages about 1,931 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 79 mm of rain in September.
When is the best time to visit Basel?
For sunshine, the best time to visit Basel is September, then June and July. The dullest month is January (0/100, 75 mm of rain). The full month-by-month picture is in the table below.
How sunny is Basel?
Basel gets a moderate 1,931 hours of sunshine a year. 75 Sunshine Score points separate September (75) from January (0), so the month you pick matters. It ranks #40 of 53 destinations in France for annual sunshine, below the national median of 2,146 hours. The year's 1,060 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 5° / 41°F | -2° / 28°F | 75 mm | 1 |
| February | 0 | 6° / 43°F | -2° / 28°F | 60 mm | 1 |
| March | 19 | 11° / 52°F | 1° / 34°F | 74 mm | 2 |
| April | 51 | 16° / 61°F | 5° / 41°F | 75 mm | 4 |
| May | 68 | 20° / 68°F | 10° / 50°F | 118 mm | 5 |
| June | 71 | 24° / 75°F | 14° / 57°F | 105 mm | 6 |
| July | 70 | 25° / 77°F | 15° / 59°F | 107 mm | 6 |
| August | 70 | 25° / 77°F | 15° / 59°F | 110 mm | 5 |
| September | 75 | 21° / 70°F | 11° / 52°F | 79 mm | 4 |
| October | 48 | 16° / 61°F | 7° / 45°F | 94 mm | 2 |
| November | 13 | 10° / 50°F | 3° / 37°F | 77 mm | 1 |
| December | 0 | 5° / 41°F | -1° / 30°F | 86 mm | 0 |
Nearest destinations
Head-to-head
How Basel compares month by month: Basel vs Zurich · Basel vs Strasbourg · Basel vs Bern · all comparisons
Basel: questions and answers
What kind of destination is Basel?
Basel is a city break in France with a oceanic / maritime climate.
How many hours of sunshine does Basel get a year?
Basel gets about 1,931 hours of sunshine a year, at its best around September.
When is the best time to visit Basel?
The sunniest time to visit Basel is September, when the Sunshine Score peaks at 75/100 (with June and July close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Basel?
January is the least sunny month in Basel, scoring 0/100 with about 75 mm of rain.
How strong is the sun in Basel?
The typical midday UV index in Basel peaks around 6 (high) in June, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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