The average temperature for the week of 30 June 2025 - 6 July 2025 was 21 °C (70 °F) during the day and 13 °C (55 °F) during the night. Both the daily and night temperatures in Pärnu are roughly same as the long-term average, which is around 21 °C (70 °F) and 12 °C (54 °F) respectively. In the middle, Thursday and Wednesday were hottest days of the week. The average temperatures observed during different times of day (based on local time) were as below: 7am 16 °C (61 °F), 10am 18 °C (64 °F), 1pm 19 °C (66 °F), 4pm 20 °C (68 °F), 7pm 19 °C (66 °F), 10pm 16 °C (61 °F).

There were 5 days without rain, 1 day with light rain and 1 day with moderate rain during this week. Pärnu received 6 mm (0.24 in) of precipitation throughout the week, which is below its long-term average of 16 mm (0.63 in). During the daytime (from dawn to dusk), there was 53 % cloud coverage on average.

The wind's speed averaged 5.1 m/s. The atmosferic pressure ranged from 1001 hpa to 1016 hpa. The average air humidity was 73 % in Pärnu.

On average, there were 7 hours clear skies, 4 hours partially overcast skies, 7 hours overcast skies and 1.5 hours rainy weather during the daytime (from dawn to dusk). On average, the time of sunrise was 04:22, and the time of sunset was 22:29.

Weather overview

Pärnu (Estonia) is a place with a mild continental climate. Temperatures during the day are in the range from -1 °C (29 °F) in February to 23 °C (73 °F) in July. Temperatures during the night go from -7 °C (19 °F) in February to 14 °C (57 °F) in July. The least rainy month in Pärnu is April with its 8 days of rain, the rainiest month is December, when it rains 13 days.

January weather

The descent of the day temperature can be observed, with its value being -1 °C (30 °F) in Pärnu, and the night temperature continues to descent as well, with its value being -6 °C (21 °F). The beginning of the descent of the number of rainy days could be noticed, the value of this measure is 12 days, while the rainfall amount continues to descent, with its value of 51 mm (2.02 in). The wind speed reaches its maximum, with its value being 5.

February weather

The minimum of the day temperature is observable, the value of this measure is -1 °C (29 °F) in Pärnu, and the night temperature reaches its minimum too in this month. The number of rainy days continues to descent, its value is 10 days, and the rainfall amount continues to descent too, its value is 35 mm (1.39 in). The number of sun hours (without clouds) rise's start could be observed in this month.

March weather

The day temperature rise's start could be observed in Pärnu, and the night temperature rise's start could be observed as well. The number of sun hours (without clouds) rises similarly to the previous month, its value is 4 hours. The number of rainy days descents similarly to the previous month, its value is 9 days.

April weather

The rise of the day temperature can be observed, its value is 9 °C (48 °F) in Pärnu, and the night temperature continues to rise too, with its value of 1 °C (35 °F). The number of rainy days is on its minimum, its value is 8 days, and the minimum of the rainfall amount can be noticed as well in April. The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 6 hours.

May weather

The day temperature rises similarly to the previous month, its value is 16 °C (61 °F) in Pärnu, and the rise of the night temperature can be observed too, with its value being 7 °C (44 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 8 hours. The humidity reaches its minimum, its value is 71 %.

June weather

The day temperature rises similarly to the previous month, its value is 20 °C (67 °F) in Pärnu, and the night temperature rises similarly to the previous month as well, its value is 11 °C (52 °F). The tourist season slowly starts. The rainfall amount starts to rise, its value is 64 mm (2.52 in). The number of sun hours (without clouds) reaches its maximum in this month.

July weather

The tourist season is taking place in Pärnu. The day temperature is on its maximum, with its value of 23 °C (73 °F), and the maximum of the night temperature can be noticed too, the value of this measure is 14 °C (57 °F). The rainfall amount continues to rise. The wind speed is on its minimum, with its value of 4.

August weather

The tourist season is close to its peak this month in Pärnu. The day temperature starts to descent, with its value being 21 °C (70 °F), and the night temperature descent's start could be observed too in this month. The rainfall amount reaches its maximum, its value is 77 mm (3.02 in), while the beginning of the rise of the number of rainy days could be noticed, the value of this measure is 11 days.

September weather

The day temperature continues to descent, with its value being 16 °C (60 °F) in Pärnu, and the night temperature descents similarly to the previous month too, with its value being 9 °C (48 °F). The rainfall amount descent's start could be observed, with its value of 65 mm (2.55 in). The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours.

October weather

The day temperature descents similarly to the previous month, with its value of 9 °C (49 °F) in Pärnu, and the night temperature continues to descent too, its value is 4 °C (40 °F). The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 12 days, and the rainfall amount rise's start could be observed as well, with its value of 74 mm (2.91 in). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 3 hours.

November weather

The descent of the day temperature can be observed, with its value of 3 °C (38 °F) in Pärnu, and the night temperature continues to descent too. The number of rainy days continues to rise, with its value being 12 days. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 1 hour.

December weather

The day temperature descents similarly to the previous month, with its value being 0 °C (32 °F) in Pärnu, and the night temperature continues to descent as well, its value is -4 °C (24 °F). The beginning of the descent of the rainfall amount could be noticed, with its value of 63 mm (2.47 in), while the maximum of the number of rainy days is observable, with its value being 13 days. The minimum of the number of sun hours (without clouds) can be noticed in this month.

What is the average number of rainy days in Pärnu in May?

In May in Pärnu, we can expect 8 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.8 days of the week, or in general - 26 % days.

Are there good conditions to visit in Pärnu in June?

There are good conditions for visiting in June in Pärnu. You can expect just 10 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 20 °C (67 °F), but others will feel perfectly fine. The temperature of 11 °C (52 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

Is July part of the wet season in Pärnu?

No, there is no wet season in July in Pärnu - you can expect 10 days of rain during the month.

What temperature can I expect during the day in August in Pärnu?

The average daily temperature in Pärnu in August is 21 °C (70 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

What is the sea temperature in Pärnu in September?

The sea will reach 15 °C (58 °F) in Pärnu in September. This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.