Climate Overview
The climate in Ágios Nikólaos is temperate. The average annual temperature is 17°C and approximately 633mm of precipitation falls per year. March is the wettest month, receiving around 85mm of rainfall. Ágios Nikólaos 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. Light snow can occur between January and February.
Temperature
Temperatures in Ágios Nikólaos vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 4°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.
Precipitation
Ágios Nikólaos is a relatively dry area, receiving approximately 633mm of precipitation annually, which averages out to around 53mm per month. The wettest month is March, averaging 85mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 22mm. That's 63mm less than March, 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 February, totalling around 11cm annually. January is the snowiest month with approximately 7cm.
Wind
Ágios Nikólaos is mildly breezy, with an average annual wind speed of 17km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 15km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 17km/h in spring, 15km/h in summer, 17km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Ágios Nikólaos, which began on March 20, 2026. Ágios Nikólaos 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 31°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 8 to 23°C. Precipitation is moderate at around 172mm for the season, averaging 57mm per month. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 20 to 31°C. Rainfall is relatively light, with around 108mm over the season and a monthly average of 36mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 27°C. Precipitation is moderate at around 156mm for the season, averaging 52mm per month. Winds are moderate at around 17km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 4 to 13°C. Precipitation is moderate at around 197mm for the season, averaging 66mm per month. Expect around 10cm of snow accumulation during this period. Winds are moderate at around 18km/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 Ágios Nikólaos is during May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 45mm per month. By contrast, August can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows 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 Ágios Nikólaos 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.