Today, 12 September, Saturday, in Pärnu (Estonia): cloudy, light rain in places, moderately warm. During the day the air will warm up to +17°, at night around +9°. Due to the wind it feels like +8°. Wind up to 19 km/h. High chance of rain — be sure to take an umbrella or a raincoat. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The water is cold, +17° — too chilly for swimming. The sun will rise at 06:44 and set at 19:50 — daylight lasts 13 hours.
Hourly weather in Pärnu
0%08
0%09
0%10
0%11
4%12
18%13
37%14
53%15
61%16
66%17
69%18
71%19
72%20
67%21
54%22
35%23
20%00
11%01
4%02
0%03
0%04
0%05
2%06
3%07
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Pärnu for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
🌦️
💧 72%
+9°+17°
Morning
🌤️
+10°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+9°
Drizzle · precipitation 72% · wind up to 19 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tomorrow 13.9
🌧️
💧 98%
+14°+16°
Morning
☁️
+15°
Day
🌧️
+16°
Evening
🌇
+16°
Night
🌙
+14°
Rain · precipitation 98% · wind up to 27 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Mon 14.9
🌧️
💧 49%
+12°+18°
Morning
🌧️
+14°
Day
🌧️
+18°
Evening
🌇
+17°
Night
🌙
+12°
Rain · precipitation 49% · wind up to 12 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tue 15.9
☁️
💧 14%
+9°+17°
Morning
☁️
+12°
Day
☁️
+17°
Evening
🌇
+15°
Night
🌙
+9°
Overcast · precipitation 14% · wind up to 10 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Wed 16.9
🌦️
💧 39%
+12°+17°
Morning
🌦️
+14°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+12°
Drizzle · precipitation 39% · wind up to 25 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Thu 17.9
🌦️
💧 47%
+13°+17°
Morning
🌦️
+14°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+13°
Rain showers · precipitation 47% · wind up to 26 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Fri 18.9
🌦️
💧 65%
+13°+17°
Morning
🌦️
+14°
Day
🌦️
+17°
Evening
🌇
+16°
Night
🌙
+13°
Drizzle · precipitation 65% · wind up to 24 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sat 19.9
🌦️
💧 64%
+13°+15°
Morning
🌦️
+14°
Day
🌦️
+15°
Evening
🌇
+15°
Night
🌙
+13°
Rain showers · precipitation 64% · wind up to 23 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Sun 20.9
🌦️
💧 61%
+12°+13°
Morning
🌦️
+12°
Day
🌦️
+13°
Evening
🌇
+13°
Night
🌙
+12°
Rain showers · precipitation 61% · wind up to 24 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Mon 21.9
⛈️
💧 51%
+12°+14°
Morning
⛈️
+13°
Day
⛈️
+14°
Evening
🌇
+14°
Night
🌙
+12°
Thunderstorm · precipitation 51% · wind up to 31 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Tue 22.9
🌦️
💧 47%
+11°+14°
Morning
🌦️
+12°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+11°
Rain showers · precipitation 47% · wind up to 28 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Wed 23.9
⛈️
💧 41%
+11°+12°
Morning
⛈️
+11°
Day
⛈️
+12°
Evening
🌇
+12°
Night
🌙
+11°
Thunderstorm · precipitation 41% · wind up to 23 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Thu 24.9
🌦️
💧 39%
+8°+14°
Morning
🌦️
+10°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+8°
Drizzle · precipitation 39% · wind up to 11 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
▶
Fri 25.9
☁️
💧 33%
+7°+16°
Morning
☁️
+10°
Day
☁️
+16°
Evening
🌇
+14°
Night
🌙
+7°
Overcast · precipitation 33% · wind up to 5 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 17° · Bad
🏃 Running
20 / 100
comfort for running · So-so
🧴 UV
0%
moderate · low
☂️ Rain
72%
likely · high
✨ Stars
38 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
9 / 100
better to wait · Bad
🌫️ Air quality and pollen
26
Good air
European AQI
PM2.5: 2PM10: 4O₃: 72NO₂: 1pollen: low
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:44
Sunset
19:50
Golden hour
18:58
Daylight
13 h (-5 min vs yesterday)
Sea temperature
+17°
🌊 calm, waves 0.2 m.
Pärnu climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
-1°
-5°
Jan
-2°
-6°
Feb
+2°
-4°
Mar
+10°
+1°
Apr
+16°
+6°
May
+19°
+11°
Jun
+22°
+14°
Jul
+21°
+13°
Aug
+16°
+9°
Sep
+9°
+4°
Oct
+4°
+0°
Nov
+1°
-3°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
-1°
-5°
+0°
49 mm
Freezing: -1° by day, -5° at night — full winter gear, ice underfoot is common. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+0°) — swimming is for the brave.
February
-2°
-6°
+0°
44 mm
Proper winter: -2° daytime, frost and short days. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+0°) — swimming is for the brave. This is the coldest month of the year.
March
+2°
-4°
+1°
40 mm
A cold month: +2° by day, long walks get uncomfortable. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+1°) — swimming is for the brave.
April
+10°
+1°
+5°
41 mm
Cold: +10° by day, down to +1° at night — dress warmly. 🧥 a warm jacket. The water is cold (+5°) — swimming is for the brave.
May
+16°
+6°
+12°
47 mm
A fresh month — +16° daytime, take a jacket for walks. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
June
+19°
+11°
+19°
83 mm
The most pleasant season: +19° by day, comfortable all day long. One of the wettest months (83 mm): downpours can derail plans. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. The longest daylight hours of the year — more time for everything.
July
+22°
+14°
+21°
87 mm
One of the best times to visit: +22° by day, fresh nights. It's a rainy month (87 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. This is the hottest month of the year in Pärnu.
August
+21°
+13°
+21°
89 mm
Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (89 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. Statistically the wettest month of the year.
September
+16°
+9°
+18°
60 mm
Cool weather: +16° by day, noticeably colder in the evening. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing.
October
+9°
+4°
+11°
68 mm
Cold: +9° by day, down to +4° at night — dress warmly. It's a rainy month (68 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
November
+4°
+0°
+5°
55 mm
Winter weather: about +4° daytime, you need a warm coat and hat. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+5°) — swimming is for the brave.
December
+1°
-3°
+1°
53 mm
The coldest stretch: +1° by day, full winter clothing required. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+1°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.
When to visit Pärnu
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+19…+22°
Sea temperature+19…+21°
Precipitationoften
Featurewhite nights
Why: comfortable +19…+22° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, September
Daytime air-2…+16°
Sea temperature+0…+18°
Precipitationoften
Why: cool (-2…+16°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: October, November, December
Daytime air+1…+9°
Sea temperature+1…+11°
Precipitationoften
Why: cold and dark (+1…+9° by day, 6 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Pärnu is June – August, and the most comfortable months are June, July, August. The toughest months to visit are October, November, December: cold and short days.
🌡️ Today vs the climate normal
Today's high
+17°
Normal for September
+16°
Deviation
1° warmer than normal
A year ago on this day
+19°
Record for this date
+22° (1948)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Pärnu
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.