AI-generatedPärnu at a glance
- Best time
- Jul
- Warmest month
- Jul · 22°
- Warmest sea
- Aug · 18.9°
- Sunshine a year
- 1,960 h
- Rain a year
- 701 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 6 m
Climate in Pärnu
Pärnu has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 22 °C, while January is the coolest at −2 °C. With around 1,960 hours of sunshine a year, Pärnu is moderately sunny; July is the sunniest month with 9.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July
A typical day in October
- Morning, 08:00: about 4°
- Midday, 13:00: about 9°
- Afternoon, 16:00: about 9°
- Evening, 20:00: about 7°
- Night, 23:00: about 6°
07:5518:20
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:31–08:51 · evening 17:24–18:45
- Blue hour
- Morning 07:15–07:31 · evening 18:45–19:00
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Pärnu in October?
In October, Pärnu is cold: daytime highs average 10 °C, and nights cool down to about 4 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 62 mm in total. All in all, October is not an ideal month for a holiday in Pärnu.
More details for October
- Daylight
- 10 h 25 min07:55 – 18:20
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 74 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Tallinn
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %2 %
- Few rainy daysweight 20 %45 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Warm jacket
- Rain jacket or umbrella
Sea temperature in Pärnu
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 9.9 – 11.9 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Pärnu ranges from 0.2 °C in February to 18.9 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 17.9 and 20.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 1.6° | 0.0° | 2.9° | cold |
| FebruaryFeb | 0.2° | −0.7° | 1.0° | cold |
| MarchMar | 0.4° | −0.5° | 1.7° | cold |
| AprilApr | 2.8° | 1.2° | 4.8° | cold |
| MayMay | 9.1° | 7.1° | 12.0° | cold |
| JuneJun | 14.9° | 12.5° | 16.8° | cold |
| JulyJul | 18.6° | 16.5° | 20.8° | fresh |
| AugustAug | 18.9° | 17.9° | 20.3° | fresh |
| SeptemberSep | 15.6° | 14.1° | 16.8° | cold |
| OctoberOct | 11.1° | 9.9° | 11.9° | cold |
| NovemberNov | 7.3° | 6.1° | 8.4° | cold |
| DecemberDec | 4.1° | 2.2° | 5.5° | cold |
Sunshine hours in Pärnu
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.1 of 10.4 hours of daylight in Pärnu, 30 % of the day.
Sunshine hours: measured at the weather station 1 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Pärnu
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Pärnu: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Pärnu has about 12 rainy days with 62 mm of rain in total.
Wind and clouds in Pärnu
How breezy and how cloudy Pärnu is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Pärnu typically peaks at 19 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Dec – Jan.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 74 % of the sky over Pärnu: mostly cloudy, with about 3.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow in Pärnu
When Pärnu is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, Pärnu has about 1 days with at least 1 cm of fresh snow, 2 cm in total. The chance of seeing snow during a week's stay is 7 out of 100: hardly any.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Pärnu
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 4°. The room should be heated.
The coolest nights are in February (−6°), the warmest in July (14°). Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 9 | −2° | −6° | 1.6° | 1.3 h | 12 | 51 |
| FebruaryFeb | 12 | −2° | −6° | 0.2° | 2.5 h | 10 | 43 |
| MarchMar | 19 | 3° | −4° | 0.4° | 4.8 h | 9 | 36 |
| AprilApr | 25 | 10° | 1° | 2.8° | 7.0 h | 10 | 41 |
| MayMay | 32 | 16° | 6° | 9.1° | 9.7 h | 10 | 47 |
| JuneJun | 35 | 20° | 11° | 14.9° | 9.8 h | 12 | 78 |
| JulyJul | 51 | 22° | 14° | 18.6° | 9.9 h | 14 | 92 |
| AugustAug | 43 | 21° | 13° | 18.9° | 8.3 h | 13 | 90 |
| SeptemberSep | 21 | 16° | 10° | 15.6° | 5.8 h | 10 | 55 |
| OctoberOct | 9 | 10° | 4° | 11.1° | 3.1 h | 12 | 62 |
| NovemberNov | 10 | 4° | 1° | 7.3° | 1.2 h | 11 | 54 |
| DecemberDec | 9 | 1° | −3° | 4.1° | 0.8 h | 12 | 51 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
58.39° N, 24.50° E · 6 m · Europe/Tallinn
Best time to visit Pärnu
The best time to visit Pärnu is in July. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.9 °C. For sightseeing, day trips and hiking, conditions are most comfortable in May and in September. Rain is most frequent from June to August; the wettest month is July with 92 mm.
Pärnu through the seasons
How the weather changes over the seasons, with averages for each.
Pärnu in spring
Mar – May
Poor
- 3–16 °C by day
- Sea 4 °C
- 7 h of sun a day
- 28 rainy days in all
Pärnu in summer
Jun – Aug
Fair
- 20–22 °C by day
- Sea 18 °C
- 9 h of sun a day
- 39 rainy days in all
Pärnu in autumn
Sep – Nov
Poor
- 4–16 °C by day
- Sea 11 °C
- 3 h of sun a day
- 33 rainy days in all
Pärnu in winter
Dec – Feb
Poor
- -1–1 °C by day
- Sea 2 °C
- 2 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Pärnu for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Pärnu
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Pärnu: score 51 against 9. In July, days are 12 °C warmer than in October. The sea is 8 °C warmer in July. July has 2 more rainy days. The sun shines 7 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 9 | 51better |
| Day high | 10° | 22° |
| Night low | 4° | 14° |
| Sea | 11.1° | 18.6° |
| Sunshine | 3.1 h | 9.9 hbetter |
| Rainy days | 12better | 14 |
| Rainfall | 62 mmbetter | 92 mm |
| Muggy days | 0better | 2 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May, Sep
15–28 °C and not too much rain
Rainy months
Jun – Aug
12 or more rainy days
Snow
Nov – Mar
Snow on 2 or more days
Pärnu month by month
The typical weather for every month at a glance.
9January-1° · Sea 2° · 1 h
In January, Pärnu is freezing cold: daytime highs average −2 °C, and nights often drop below freezing (−6 °C). The sea averages 1.6 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 51 mm. Snow falls on about 8 days. All in all, January is not an ideal month for a holiday in Pärnu.
Pärnu in January12February-1° · Sea 0° · 3 h
In February, Pärnu is freezing cold: daytime highs average −2 °C, and nights often drop below freezing (−6 °C). The sea averages 0.2 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 43 mm. Snow falls on about 6 days. All in all, February is not an ideal month for a holiday in Pärnu.
Pärnu in February19March3° · Sea 0° · 5 h
In March, Pärnu is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−4 °C). The sea averages 0.4 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Precipitation, often as snow, falls on about 9 days, totalling 36 mm. Snow falls on about 4 days. All in all, March is not an ideal month for a holiday in Pärnu.
Pärnu in March25April10° · Sea 3° · 7 h
In April, Pärnu is cool: daytime highs average 10 °C, and nights cool down to about 1 °C. The sea averages 2.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 41 mm in total. Snow falls on about 2 days. All in all, April is not an ideal month for a holiday in Pärnu.
Pärnu in April32May16° · Sea 9° · 10 h
In May, Pärnu is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sea averages 9.1 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 10 rainy days and 47 mm in total. All in all, May is not an ideal month for a holiday in Pärnu.
Pärnu in May35June20° · Sea 15° · 10 h
In June, Pärnu is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 14.9 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, June is not an ideal month for a holiday in Pärnu.
Pärnu in June51July22° · Sea 19° · 10 h
In July, Pärnu is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 14 rainy days and 92 mm in total. All in all, July is a so-so month for a holiday in Pärnu.
Pärnu in July43August21° · Sea 19° · 8 h
In August, Pärnu is warm: daytime highs average 21 °C, and nights cool down to about 13 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 90 mm in total. All in all, August is a so-so month for a holiday in Pärnu.
Pärnu in August21September16° · Sea 16° · 6 h
In September, Pärnu is mild: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 15.6 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 55 mm in total. All in all, September is not an ideal month for a holiday in Pärnu.
Pärnu in September9October10° · Sea 11° · 3 h
In October, Pärnu is cold: daytime highs average 10 °C, and nights cool down to about 4 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 62 mm in total. All in all, October is not an ideal month for a holiday in Pärnu.
Pärnu in October10November4° · Sea 7° · 1 h
In November, Pärnu is cold: daytime highs average 4 °C, and nights cool down to about 1 °C. The sea averages 7.3 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Rain is frequent, with about 11 rainy days and 54 mm in total. Snow falls on about 3 days. All in all, November is not an ideal month for a holiday in Pärnu.
Pärnu in November9December1° · Sea 4° · 1 h
In December, Pärnu is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−3 °C). The sea averages 4.1 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 51 mm. Snow falls on about 6 days. All in all, December is not an ideal month for a holiday in Pärnu.
Pärnu in DecemberPärnu compared
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Pärnu vs. Tallinn
In October the holiday weather in Pärnu and Tallinn is about equally good (score 9 vs. 7). During the day Tallinn is 1 °C cooler than Pärnu. The sea is about equally warm.
| in October | Pärnu | Tallinn |
|---|---|---|
| Holiday score | 9 | 7 |
| Daytime high | 10° | 9° |
| Sea | 11° | 11° |
| Sunshine | 3 h | 3 h |
| Rainy days | 12 | 13 |
| Best time | Jul | Jun – Aug |
Through the year
Estonia in October: the best places
In October, Pärnu ranks 4 of 4 destinations in this country.
All destinations: EstoniaPlanning a trip to Pärnu
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Pärnu in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Pärnu has its best school-holiday weather during the summer holidays (score 46) and its weakest during October half-term (score 9).
- 23
Easter holidays
Mar – Apr
Poor
- 8 °C by day
- Sea 2 °C
- 6.3 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
- 33
May half-term
May – Jun
Poor
- 17 °C by day
- Sea 10 °C
- 9.7 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 46
Summer holidays
Jul – Aug
FairBest holidays
- 22 °C by day
- Sea 19 °C
- 8.9 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 9
October half-term
Oct
Poor
- 10 °C by day
- Sea 11 °C
- 3.1 h of sun a day
- 12 rainy days a month
- 9
Christmas holidays
Dec – Jan
Poor
- 0 °C by day
- Sea 3 °C
- 1.1 h of sun a day
- 12 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 35 min
- Distance
- 1,760 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Pärnu
When is the best time to visit Pärnu?
The best time to visit Pärnu is in July. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Pärnu?
The sea temperature in Pärnu ranges from 0.2 °C in February to 18.9 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Pärnu in October?
Only if you don't mind cold water: in October the sea averages just 11.1 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Pärnu?
July is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at −2 °C.
When does it rain most in Pärnu?
Rain is most frequent from June to August; the wettest month is July with 92 mm. The driest month is March with 36 mm.
How many hours of sunshine does Pärnu get?
Pärnu gets around 1,960 hours of sunshine a year. The sunniest month is July with 9.9 hours a day; in December there are 0.8 hours a day.
What time zone is Pärnu in?
Pärnu uses the time zone Europe/Tallinn: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Pärnu?
A nonstop flight from London to Pärnu takes about 2 h 35 min, for a straight-line distance of about 1,760 km.
Which school holidays are best for Pärnu?
Pärnu has its best school-holiday weather during the summer holidays (score 46) and its weakest during October half-term (score 9). Holiday ratings (0–100): Easter holidays 23, May half-term 33, Summer holidays 46, October half-term 9, Christmas holidays 9.
Near Pärnu
Other destinations close by.
Places with a climate like Pärnu
Destinations whose weather through the year is closest to Pärnu's – good alternatives.