Sissach Weather in May
What's the weather like in Sissach (Basel-Landschaft) in May 2025?
The climate in Sissach during May can be summarized as mild and a little damp.
May is in the spring in Sissach and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 16.2°C 61.2°F |
|---|---|
| Nightly temperature | 6.8°C 44.2°F |
| Average temperature | 11.5°C 52.7°F |
| Daily sunshine | 6.1 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 18 days |
| Sea temperature | 15.1°C 59.2°F |
| Humidity | 73% |
| Windspeed | 8.3kph 5 mph |
On average May is the 4th wettest month of the year in Sissach with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
May temperatures in Sissach
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sissach in May 2025.
Other monthly averages
Sissach weather stats
| Hottest month: | July | 21.9°C 71.4°F |
|---|---|---|
| Driest month: | October | 59mm 2.3ins |
| Sunniest month: | July | 7.9hrs |
| Coldest month: | January | 1.5°C 34.7°F |
| Wettest month: | August | 130mm 5.1ins |
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