Climate Overview
The climate in Chalkída is temperate. The average annual temperature is 17°C and approximately 520mm of precipitation falls per year. January is the wettest month, receiving around 75mm of rainfall. Chalkída is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 4°C. Light snow can occur between January and December.
Temperature
Temperatures in Chalkída vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Chalkída is a relatively dry area, receiving approximately 520mm of precipitation annually, which averages out to around 43mm per month. The wettest month is January, averaging 75mm of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 64mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 15cm annually. January is the snowiest month with approximately 10cm.
Wind
Chalkída is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Chalkída, which began on June 21, 2026. Chalkída 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 July at around 32°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 7 to 25°C. Rainfall is relatively light, with around 146mm over the season and a monthly average of 49mm. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 19 to 32°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 28°C. Rainfall is relatively light, with around 112mm over the season and a monthly average of 37mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 4 to 14°C. Precipitation is moderate at around 202mm for the season, averaging 67mm per month. Expect around 15cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 Chalkída is during April, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 35mm per month. By contrast, July can be uncomfortably hot with highs reaching 32°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 Chalkída 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.