Riga weather in October

In October, Riga sees average daytime highs of 10°C and overnight lows near 6°C, with 80 mm of precipitation across 14.2 wet days and about 10 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 8°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 48 min by month's end. Set against the rest of the year, October is Riga's 8th-clearest and 4th-windiest month. For the whole year in context, see Riga's year-round climate.

Daytime high
10°
6th warmest
Overnight low
7th coldest
Precipitation
80 mm
14.2 wet days
Daylight
10 hours
7:08 AM – 5:09 PM
Cloud cover
72%
8th clearest
Wind
18 km/h
4th windiest
Solar energy
1.4 kWh/m²
Travel score
2.1
out of 10

Riga is capital and largest city of Latvia.

Air quality
Moderate
PM2.5 12.1 µg/m³ · 2019
Density
2,442/km²
people per km²
Founded
1201

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 13°C in the first days to 8°C by the end.

A typical October day in Riga reaches about 10°C in the afternoon and slips back to 6°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, October runs about 6°C cooler than September and about 5°C warmer than November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1138
2138
3138
4138
5138
6128
7127
8127
9127
10117
11117
12117
13116
14106
15106
16106
17106
18105
1995
2095
2195
2295
2395
2485
2584
2684
2784
2884
2984
3074
3174

How October really feels in Riga

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 4 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
4
wind chill below the day's low

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

Riga weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -4°4611.27.77.20.0
Feb-0° / -4°389.87.490.0
Mar / -2°389.7511.40.0
Apr / 419.31.413.92.0
May15° / 5210.3016.14.5
Jun19° / 12°7311.3017.45.8
Jul22° / 15°7111.7016.96.4
Aug21° / 15°79130156.1
Sep16° / 11°7011.6012.54.8
Oct10° / 8014.20.6102.1
Nov / 5912.83.87.80.2
Dec / -2°4912.17.16.60.0

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 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33268
43268
53268
63268
73169
83169
93169
103169
113169
123070
133070
143070
152971
162971
172971
182773
192773
202674
212575
222575
232575
242575
252575
262476
272377
282278
292278
302179
312179

Chance of precipitation in October

Any precipitationSnow

Riga gets around 80 mm of rain and snow over 14.2 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 45% and peaks near 46% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1400
2410
3420
4430
5440
6440
7450
8460
9460
10460
11461
12461
13461
14461
15461
16462
17462
18462
19463
20463
21463
22464
23464
24464
25465
26465
27466
28456
29457
30457
31458

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 (%)
1955
2964
3964
4973
5973
6982
7982
8982
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 18 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 12 min at the start of October to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 144 minutes over October. Sunrise moves from 6:35 AM to 7:42 AM, and sunset from 5:50 PM to 4:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:355:50
211.26:385:47
311.16:405:44
411.06:425:41
510.96:445:39
610.86:465:36
710.76:485:33
810.76:515:30
910.66:535:28
1010.56:555:25
1110.46:575:22
1210.36:595:20
1310.37:025:17
1410.27:045:14
1510.17:065:12
1610.07:085:09
179.97:105:06
189.97:135:04
199.87:155:01
209.77:174:59
219.67:194:56
229.57:224:54
239.57:244:51
249.47:264:49
259.37:284:46
269.27:314:44
279.17:334:42
289.17:354:39
299.07:374:37
308.97:404:35
318.87:424:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.4 kWh/m².

For context, solar energy here swings from a low near 0.29 kWh/m² to a high of 5.91 kWh/m² in June across the year — October's 1.4 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.0Moderate
22.0Moderate
31.9Dim
41.9Dim
51.9Dim
61.8Dim
71.8Dim
81.7Dim
91.7Dim
101.6Dim
111.6Dim
121.5Dim
131.5Dim
141.5Dim
151.4Dim
161.4Dim
171.3Dim
181.3Dim
191.3Dim
201.2Dim
211.2Dim
221.2Dim
231.1Dim
241.1Dim
251.1Dim
261.0Dim
271.0Dim
281.0Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in October

Is October a good time to visit Riga?

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

2.1
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Riga.

What to pack for Riga in October

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

In October, Riga sees daytime highs around 10°C and nights near 6°C. Pack a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Riga 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 at the nearest coast (about 20 km away) is warmest in August at about 19°C and coldest in February near 1°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
Feb1Bracing
Mar1Bracing
Apr3Bracing
May9Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Riga 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 Riga peaks around June 20 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Riga in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Riga is worst in June — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Riga's WHO annual average of 12.1 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 917 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar14Moderate
Apr16Moderate
May17Moderate
Jun17Moderate
Jul14Moderate
Aug14Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Riga?

Riga sits at 56.9°N, 24.1°E, 6 m above sea level, in Latvia. The nearest listed city is Dārzciems, 4.0 km away.

OgreJelgavaSiguldaTukums

Topography around Riga

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

Within 3 km, the terrain around Riga has only modest variations in elevation — a maximum elevation change of 36 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, significant variations in elevation — a maximum elevation change of 277 m.

The land around Riga is covered by artificial surfaces (50%) and trees (25%) within 3 km, trees (47%) within 16 km, and trees (45%) and cropland (22%) within 80 km.

3 km
36 m
16 km
52 m
80 km
277 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Dārzciems 4.0 km · Mārupe 6.0 km · Salaspils 18 km · Jūrmala 20 km · Ogre 34 km · Jelgava 41 km · Sigulda 51 km · Tukums 58 km

Latvia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$26,312
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2.5
per 100k, 2023
Road deaths
8.1
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 599
Religion
Lutheran 36%unspecified/none 24%Roman Catholic 20%Orthodox 19%

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 Riga (56.946°, 24.1059°, 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).