The climate in Saitama during May can be summarized as warm and wet.
May is in the spring in Saitama and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 13°C (56°F) is normal.
|Daytime temperature||23.2°C 73.8°F|
|Nightly temperature||13.4°C 56.1°F|
|Average temperature||18.3°C 64.9°F|
|Daily sunshine||6.4 hrs|
|Avg rainfall||126 mm 5 ins|
|Rainy days||16 days|
|Sea temperature||19.9°C 67.8°F|
|Windspeed||9.4kph 6 mph|
On average May is the 6th wettest month of the year in Saitama with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 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 Saitama in May 2023.
|Hottest month:||August||30.9°C 87.6°F|
|Driest month:||January||34mm 1.3ins|
|Coldest month:||January||9.2°C 48.6°F|
|Wettest month:||September||185mm 7.3ins|