Climate Insights for Haro

The climate in Haro is temperate. The average annual temperature is 12°C and approximately 705mm of precipitation falls per year. November is the wettest month, receiving around 81mm of rainfall. Haro 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 January, February, December, when temperatures can drop to 2°C. Light snow can occur between January and December.

Temperatures in Haro vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 20°C. January is the coolest month, with minimum temperatures around 2°C and an average of 5°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Haro is a relatively dry area, receiving approximately 705mm of precipitation annually, which averages out to around 59mm per month. The wettest month is November, averaging 81mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 23mm. 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. Light snowfall can occur between January and December, totalling around 20cm annually. February is the snowiest month with approximately 10cm.

Haro 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 March, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently spring in Haro, which began on March 20, 2026. Haro 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 27°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Haro is during 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 39mm per month. By contrast, January can be quite cold with temperatures dropping to 2°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 Haro 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.