Climate Overview
The climate in Frombork is cool. The average annual temperature is 10°C and approximately 811mm of precipitation falls per year. Frombork receives a notable amount of rainfall throughout the year, including during its driest month. Frombork 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, March, when temperatures can drop to 0°C. Light snow can occur between January and December.
Temperature
Temperatures in Frombork vary considerably across the year, with a 22°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 22°C with a mean of 20°C. January is the coolest month, with minimum temperatures around 0°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Frombork is a moderately rainy area, receiving approximately 811mm of precipitation annually, which averages out to around 68mm per month. The wettest month is October, averaging 100mm of rainfall. July and December also tend to see above-average precipitation. The driest month is April, with just 36mm. That's 64mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 34cm annually. January is the snowiest month with approximately 14cm.
Wind
Frombork is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/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 31km/h in winter, 26km/h in spring, 24km/h in summer, 28km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Frombork, which began on March 20, 2026. Frombork 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 22°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 2 to 14°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are strong, averaging 26km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 15 to 22°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Winds are moderate at around 24km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 18°C. Precipitation is moderate at around 252mm for the season, averaging 84mm per month. Winds are strong, averaging 28km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 0 to 5°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Expect around 27cm of snow accumulation during this period. Winds are strong, averaging 31km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Frombork 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 72mm per month. By contrast, January can be quite cold with temperatures dropping to 0°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Frombork 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.