Climate Insights for Hamaikawa

The climate in Hamaikawa is temperate. The average annual temperature is 13°C and approximately 1689mm of precipitation falls per year. Hamaikawa receives a notable amount of rainfall throughout the year, including during its driest month. Hamaikawa is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, December, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 119cm accumulating over the season.

Temperatures in Hamaikawa vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 26°C. The coldest month is February, when overnight lows fall to 0°C and the daily average is 2°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Hamaikawa is a fairly wet location, receiving approximately 1689mm of precipitation annually, which averages out to around 141mm per month. The wettest month is August, averaging 197mm of rainfall. July and October also tend to see above-average precipitation. The driest month is February, with just 95mm. That's 102mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 119cm accumulating over the season. January typically sees the most snow at around 39cm.

Hamaikawa is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 27km/h in winter, 23km/h in spring, 18km/h in summer, 22km/h in autumn.

It is currently spring in Hamaikawa, which began on March 20, 2026. Hamaikawa is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in February near 0°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Hamaikawa based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.