Climate Insights for Horikoshi

The climate in Horikoshi is temperate. The average annual temperature is 17°C and approximately 1463mm of precipitation falls per year. Horikoshi receives a notable amount of rainfall throughout the year, including during its driest month. Horikoshi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, March, when temperatures can drop to 5°C.

Temperatures in Horikoshi vary considerably across the year, with a 24°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 28°C. February is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.

Horikoshi is a fairly wet location, receiving approximately 1463mm of precipitation annually, which averages out to around 122mm per month. The wettest month is July, averaging 195mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 51mm. That's 144mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Horikoshi is mildly breezy, with an average annual wind speed of 16km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/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 20km/h in winter, 15km/h in spring, 12km/h in summer, 16km/h in autumn.

It is currently summer in Horikoshi, which began on June 21, 2026. Horikoshi 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 5°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Horikoshi is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 60mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while February is the coldest period with lows dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Horikoshi 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. 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.