Climate and monthly weather forecastPärnu, Estonia
Climate and monthly weather forecast
The climate of Pärnu
The city of Pärnu lies in the Dfb climatic zone, in obedience to the Köppen climate classification, a circumstance that signifies a humid continental climate with a warm summer and no dry season. This geographical location, positioned on the Estonia's west coast, orchestrates distinctive characteristics in the city's weather profile.Throughout the year, varying climate parameters significantly shape the weather pattern in Pärnu. There is a noticeable disparity in temperatures, which range from -6.3°c to -2.5°c in the lowest spectrum, while the higher degree varies from -2.1°c in January to 22.5°c in July. The impact of these fluctuations shapes a tapestry of four distinct seasons.
Rain falls relatively evenly throughout the year, though the months from June to October see somewhat heightened levels, peaking at 59mm (2.32") in August. The winter months are no exception, and together with falling temperatures produce considerable snowfall from November through to March, amounting up to 192mm (7.56") in February.
A notable aspect of Pärnu weather is the high relative humidity, remaining consistently above 72% throughout the year, reaching its zenith at 93% in February. It contributes to a general sensation of dampness, intensified during the colder periods of the year.
The Best Time to Visit Pärnu
The best time for a visit to Pärnu corresponds to the warmest months of the year. Between June and August, the city enjoys temperatures ranging from 19.4°c to 22.5°c, and sea temperatures from 15.6°c to 19.9°c, providing optimal conditions for beach related activities.During these months, daylight extends up to 18.2 hours, allowing for extended daylight activities. In addition, the sun shines for a generous 11.1 hours in July, contributing to the overall appeal of these summer months.
The Worst Time to Visit Pärnu
The coldest months of the year, from December to February, might not be the most suitable period for a visit to Pärnu. The temperatures during this time drop to a chilling range from -6.3°c to -1.6°c, alongside considerable snowfall reaching up to 192mm (7.56").Moreover, the sun shines merely 1.7 hours a day in December, coupled with short daylight hours of up to 6.5 hours, rendering the conditions less optimal for outdoor activities. Visitors should also be aware of the high relative humidity, increasing the sensation of cold.
Spring Weather in Pärnu
Spring in Pärnu unfolds from March to May with temperatures consistently rising from -3.6°c to 15.9°c. Together with lessening snowfall, this period signals the departure of winter. In tandem, rainfall remains moderate, between 27mm (1.06") and 39mm (1.54").It's worth noting that daylight duration also increases during spring. Commencing from 11.9 hours in March, it extends to 16.8 hours in May, providing ample time to enjoy the burgeoning warmth and extended outdoor activities.
Summer Weather Pärnu
Summer in Pärnu brings the warmest conditions of the year, with temperatures escalating steadily from 15.9°c in May to 22.5°c in July, and a coolest sea temperature recorded at 8.3°c in May. Rainfall is comparatively higher in these months, peaking at 59mm (2.32") in August. Nonetheless, these showers do not substantially undermine the appeal of Pärnu's long, sunny days.Daylight during summer months extends up to 18.2 hours and sunshine duration amounts to 11.1 hours in July, presenting ample opportunity for fulfilling outdoors and sun enjoyments.
Autumn Weather Pärnu
Autumn, spanning from September to November, observes temperatures descending from 16.5°c to 4.6°c. Rainfall is consistent during this period, varying from 49mm (1.93") to 45mm (1.77").Despite the cooler temperatures, daylight remains relatively long, standing at 12.8 hours in September, even though it decreases to 7.9 hours by November. Consequently, autumn proposes a serene window to experience the transformation of nature's hues in Pärnu.
Winter Weather Pärnu
Winter blankets Pärnu from December to February, with temperatures spiralling down from 1°c in December to -2.1°c in January. Snowfalls are substantial during these months, spiking at a high 192mm (7.56") in February. Rainfall is moderate but consistent throughout the season, varying from 45mm (1.77") to 55mm (2.17").Short daylight durations, from 7.9 hours to 6.5 hours, and minimal sunshine hours, at 2.3 hours in January, characterize winter in Pärnu. Consequently, these conditions give the city a distinctive climate, rendering it a place of mystery and fascination during the winter period.
Weather in January
January in Pärnu, Estonia, embraces the winter robustly with temperatures falling to as low as -6.3°C (20.7°F). The city becomes a picturesque winter landscape with snowfall blanketing the ground. Indoor activities are favored, with the coastline providing a striking view of frozen sea waters. Weather in January »Weather in February
In February, the weather conditions in Pärnu persist from the previous month's chilliness, but with a slight rise in temperature. The snowfall is at its peak, making the city visually enchanting. Despite the cold, the snowfall's allure draws winter lovers to explore its outdoor beauty. Weather in February »Weather in March
As March arrives, Pärnu starts to witness warmer temperatures and diminishing snow cover. The daylight hours further extend into longer days and the city starts to thaw slowly, but the traces of winter wonderland remain evident. Weather in March »Weather in April
Pärnu welcomes spring in April. There is a significant rise in temperature from the previous month, assuring the complete departure of the winter's cold grip. Though rainfall is less than the prior months’, the moisture levels remain adequate, contributing to the growth and revival of flora. Weather in April »Weather in May
May experiences a considerable change in the weather, with Pärnu warming up to reach an average high of 15.9°C (60.6°F). Following a chilly winter and a mixed transitional April, it is a much-anticipated time in Pärnu's climatic cycle. Weather in May »Weather in June
June marks the onset of summer in Pärnu with temperatures continuing to climb, providing beachgoers the perfect sea-water temperature to cool off. As daylight duration becomes the longest throughout the year, the city basks in prolonged sunshine that elevates the overall ambience. Weather in June »Weather in July
July is renowned for being the warmest month of the year in Pärnu with temperatures soaring up to an average high of 22.5°C (72.5°F). The fine weather enables tourists to explore the extensive city attractions to the fullest. Despite the overall increase in temperature, the city welcomes its peak rainfall, offering respite from the summer heat. Weather in July »Weather in August
In August, even though the temperature drops slightly, Pärnu continues to enjoy a warm summer climate. The city experiences fewer rainfall days as compared to July, and the humidity level drops a bit, resulting in more comfortable conditions. Weather in August »Weather in September
The autumn in Pärnu starts with September, bringing in cooler temperatures and shorter days. Even though the climate begins to change, the warmth from the summer hangs on for the first few weeks and continues to charm the visitors. Weather in September »Weather in October
October represents a full swing autumn season in Pärnu, with temperatures dropping significantly from September. But the city's charm remains undeterred, flaunting its fall colors vividly. The colder nights and the drop in sea-water temperature indicate the looming arrival of winter. Weather in October »Weather in November
The month of November in Pärnu welcomes the season of winter with a distinct drop in temperature. Jackets and scarves are dusted off as residents gear up for the colder days ahead. November brings a decrease in daylight hours that complements the cooler temperatures. Weather in November »Weather in December
December holds the throne of being the most wintry month with temperatures dipping to a low of -2.5°C (27.5°F). While locals stay warm indoors, tourists venture outdoors to absorb the city's wintry charm. Despite snowfall and chill, the city never loses its charisma, inviting snow-lovers to enjoy its snowy landscapes. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Pärnu, Estonia
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-2.1°C).
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure
Pärnu, Estonia
- Average pressure in January:
1012.7mbar - Average pressure in February:
1013.3mbar - Average pressure in March:
1012.3mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1012.8mbar
- Average pressure in July:
1011.7mbar - Average pressure in August:
1014.2mbar - Average pressure in September:
1014.4mbar - Average pressure in October:
1015.1mbar - Average pressure in November:
1013mbar - Average pressure in December:
1009.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed
Pärnu, Estonia
- Average wind speed in January:
14.3km/h - Average wind speed in February:
13.6km/h - Average wind speed in March:
13.5km/h - Average wind speed in April:
12.7km/h - Average wind speed in May:
11.7km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
12.2km/h - Average wind speed in August:
12km/h - Average wind speed in September:
13.1km/h - Average wind speed in October:
14km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity
Pärnu, Estonia
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall
Pärnu, Estonia
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days
Pärnu, Estonia
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
7.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
18.9 days - Average rainfall days in August:
18.4 days - Average rainfall days in September:
17.4 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
16.1 days - Average rainfall days in December:
15 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.6 days).
Average snowfall
Pärnu, Estonia
The month with the highest snowfall is February (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Pärnu, Estonia
- Average snowfall days in January:
19.3 days - Average snowfall days in February:
19 days - Average snowfall days in March:
16.4 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2.2 days - Average snowfall days in November:
5.8 days - Average snowfall days in December:
16.9 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Pärnu, Estonia
The best month for swimming (with the highest average sea temperature) is July (19.9°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).
Average daylight / Average sunshine
Pärnu, Estonia
- Average daylight in January:
7h and 12min - Average daylight in February:
9h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 24min - Average daylight in May:
16h and 48min - Average daylight in June:
18h and 12min
- Average daylight in July:
17h and 30min - Average daylight in August:
15h and 18min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 18min - Average daylight in November:
7h and 54min - Average daylight in December:
6h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in January:
2h and 18min - Average sunshine in February:
2h and 18min - Average sunshine in March:
4h and 12min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 48min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
7h and 24min - Average sunshine in October:
3h and 54min - Average sunshine in November:
3h and 0min - Average sunshine in December:
1h and 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days
Pärnu, Estonia
- Average sunshine days in January:
8.2 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
8.1 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
8.9 days - Average sunshine days in August:
9.9 days - Average sunshine days in September:
10 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
6.8 days - Average sunshine days in December:
4 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (4 days).
Average UV index
Pärnu, Estonia
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Pärnu, Estonia
The month with the most cloud cover is December (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility
Pärnu, Estonia
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).





