Tomakomai Weather in May

What's the weather like in Tomakomai (Hokkaidō) in May 2023?

The climate in Tomakomai during May can be summarized as cool and damp.

May is in the spring in Tomakomai and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (42°F) is normal.

Tomakomai weather averages (imperial / metric)
Daytime temperature 13.7°C 56.7°F
Nightly temperature 5.5°C 41.9°F
Average temperature 9.6°C 49.3°F
Daily sunshine 6.8 hrs
Avg rainfall 102 mm 4 ins
Rainy days 17 days
Sea temperature 9.5°C 49.1°F
Humidity 78%
Windspeed 12.6kph 8 mph

On average May is the 6th wettest month of the year in Tomakomai with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.8 hours of sunshine per day.

May temperatures in Tomakomai

Tomakomai average temperature in May

May rainfall

Tomakomai average rain in May

May hourly sunshine

Tomakomai average rain in May

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 Tomakomai in May 2022.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Tomakomai weather stats

Tomakomai weather statistics
Hottest month: August 23.3°C 73.9°F
Driest month: February 41mm 1.6ins
Sunniest month: October 5.8hrs
Coldest month: January -0.9°C 30.4°F
Wettest month: August 192mm 7.6ins
Map showing location of Tomakomai (42.63694, 141.60333)

Locations nearby

Top Japan locations

Change units