Climate Overview
The climate in Aizenay is temperate. The average annual temperature is 13°C and approximately 752mm of precipitation falls per year. November is the wettest month, receiving around 85mm of rainfall. Aizenay is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 4°C.
Temperature
Temperatures in Aizenay vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 20°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Aizenay is a relatively dry area, receiving approximately 752mm of precipitation annually, which averages out to around 63mm per month. The wettest month is November, averaging 85mm of rainfall. December and October also tend to see above-average precipitation. The driest month is July, with just 28mm. That's 58mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Aizenay is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h 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 22km/h in winter, 20km/h in spring, 18km/h in summer, 20km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Aizenay, which began on March 20, 2026. Aizenay 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 25°C, while the coldest stretch bottoms out in January near 4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 6 to 20°C. Precipitation is moderate at around 183mm for the season, averaging 61mm per month. Winds are moderate at around 20km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 14 to 25°C. Rainfall is relatively light, with around 132mm over the season and a monthly average of 44mm. Winds are moderate at around 18km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 23°C. Precipitation is moderate at around 220mm for the season, averaging 73mm per month. Winds are moderate at around 20km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 4 to 11°C. Precipitation is moderate at around 218mm for the season, averaging 73mm per month. Winds are moderate at around 22km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Aizenay is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 50mm per month. By contrast, January can be quite cold with temperatures dropping to 4°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Aizenay 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.