The climate in Jasper during May can be summarized as hot, humid and a little damp.
May is in the spring in Jasper and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 16°C (61°F) is normal.
Daytime temperature | 30.4°C 86.6°F |
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Nightly temperature | 16.1°C 60.9°F |
Average temperature | 23.2°C 73.8°F |
Daily sunshine | 10.6 hrs |
Avg rainfall | 96 mm 3.8 ins |
Rainy days | 8 days |
Sea temperature | 24.1°C 75.4°F |
Humidity | 72% |
Windspeed | 12.2kph 8 mph |
On average May is the 4th driest month of the year in Jasper with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
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 Jasper in May 2025.
Hottest month: | July | 33.2°C 91.8°F |
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Driest month: | October | 61mm 2.4ins |
Sunniest month: | April | 10.2hrs |
Coldest month: | January | 17.1°C 62.8°F |
Wettest month: | July | 165mm 6.5ins |