Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Iwamizawa, Japan

  • The average high temperature in May: 17.3°C

The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (-2.6°C).

  • The average low temperature in May: 6.2°C

The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).

  • The average humidity in May: 71%

Months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is April (70%).

  • The average rainfall in May: 70.3mm

The wettest month (with the highest rainfall) is August (156.4mm).
The driest month (with the lowest rainfall) is March (59mm).

  • The average snowfall in May: 0mm

The month with the highest snowfall is January (2210mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

  • The average sunshine in May: 6.5h

The month with most sunshine is May (Average sunshine: 6.5h).
The month with least sunshine is December (Average sunshine: 2.2h).