Pärnu weather in October

In October, Pärnu sees average daytime highs of 9°C and overnight lows near 4°C, with 62 mm of precipitation across 11.7 wet days and about 9.9 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 7°C by the end. The sky is clear or mostly clear about 13% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of October to 8 h 36 min by month's end. Set against the rest of the year, October is Pärnu's 8th-clearest and 5th-windiest month. For the whole year in context, see Pärnu's year-round climate.

Daytime high
7th warmest
Overnight low
7th coldest
Precipitation
62 mm
11.7 wet days
Daylight
9 h 54 min
7:10 AM – 5:04 PM
Cloud cover
73%
8th clearest
Wind
14 km/h
5th windiest
Solar energy
1.23 kWh/m²
Travel score
1.9
out of 10

Pärnu is city in Estonia.

Density
1,214/km²
people per km²
Founded
1251

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 7°C by the end.

A typical October day in Pärnu reaches about 9°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, October runs about 7°C cooler than September and about 6°C warmer than November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3126
4126
5125
6125
7125
8115
9115
10115
11114
12104
13104
14104
15104
1693
1793
1893
1993
2083
2183
2283
2382
2482
2572
2672
2772
2872
2972
3072
3162

How October really feels in Pärnu

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 16 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
16
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Pärnu weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°4811.18.36.80.0
Feb-1° / -7°439.58.38.90.0
Mar / -4°409.75.811.40.1
Apr10° / 42102142.3
May16° / 469.50.116.45.2
Jun20° / 10°8312.4017.85.9
Jul22° / 13°8312.3017.36.4
Aug21° / 12°8612.8015.16.0
Sep16° / 5610.7012.54.7
Oct / 6211.70.79.91.9
Nov / 5210.63.57.50.1
Dec / -3°5211.37.26.20.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33070
43070
52971
62971
72971
82971
93070
102971
112971
122971
132971
142971
152872
162872
172773
182773
192773
202773
212674
222674
232575
242575
252575
262575
272476
282476
292377
302377
312278

Chance of precipitation in October

Any precipitationSnow

Pärnu gets around 62 mm of rain and snow over 11.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 38% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1360
2370
3370
4380
5380
6381
7381
8381
9381
10381
11381
12382
13382
14382
15372
16372
17373
18373
19373
20373
21373
22374
23374
24374
25374
26374
27375
28375
29376
30376
31376

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2973
3973
4973
5982
6982
7982
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 12 min at the start of October to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 156 minutes over October. Sunrise moves from 6:35 AM to 7:46 AM, and sunset from 5:47 PM to 4:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:355:47
211.16:385:44
311.06:405:41
410.96:425:38
510.86:445:35
610.86:475:32
710.76:495:29
810.66:515:26
910.56:545:24
1010.46:565:21
1110.36:585:18
1210.27:015:15
1310.27:035:12
1410.17:055:09
1510.07:085:07
169.97:105:04
179.87:135:01
189.77:154:58
199.67:174:56
209.67:204:53
219.57:224:50
229.47:244:48
239.37:274:45
249.27:294:43
259.17:324:40
269.17:344:37
279.07:374:35
288.97:394:32
298.87:414:30
308.77:444:27
318.67:464:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.23 kWh/m².

For context, solar energy here swings from a low near 0.23 kWh/m² to a high of 5.72 kWh/m² in June across the year — October's 1.23 kWh/m² falls in the middle.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.8Dim
31.8Dim
41.7Dim
51.7Dim
61.6Dim
71.6Dim
81.5Dim
91.5Dim
101.4Dim
111.4Dim
121.4Dim
131.3Dim
141.3Dim
151.3Dim
161.2Dim
171.2Dim
181.1Dim
191.1Dim
201.1Dim
211.0Dim
221.0Dim
231.0Dim
240.9Dim
250.9Dim
260.9Dim
270.9Dim
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in October

Is October a good time to visit Pärnu?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.9
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Pärnu.

What to pack for Pärnu in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Pärnu sees daytime highs around 9°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Pärnu in October

The nearest coast averages about 11°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 19°C and coldest in February near 0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar1Bracing
Apr3Bracing
May9Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep15Cool
Oct11Bracing
Nov7Bracing
Dec4Bracing

UV index in Pärnu in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pärnu peaks around June 19 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Pärnu?

Pärnu sits at 58.4°N, 24.5°E, 6 m above sea level, in Estonia. The nearest listed city is Viljandi, 64 km away.

ViljandiMuhuHaapsaluRuhnuValmieraNõmmeValgaMustamäe

Topography around Pärnu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pärnu.

Within 3 km, the terrain around Pärnu has only modest variations in elevation — a maximum elevation change of 35 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 164 m.

The land around Pärnu is covered by water (28%), artificial surfaces (25%) and trees (24%) within 3 km, trees (33%) and water (27%) within 16 km, and trees (48%) and water (24%) within 80 km.

3 km
35 m
16 km
54 m
80 km
164 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Viljandi 64 km · Muhu 77 km · Haapsalu 83 km · Ruhnu 98 km · Valmiera 109 km · Nõmme 111 km · Valga 113 km · Mustamäe 114 km

Estonia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$34,418
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
1.5
per 100k, 2023
Road deaths
4.5
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 561
Religion
none 58%Orthodox 17%Protestant 9%other 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Pärnu (58.3859°, 24.4971°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).