Climate guideThirty-year normals for Riga
Riga climate by month
Warm-summer humid continental · DfbBest May–Jul
Annual mean8°day and night
Seasonal swing22°warmest vs coolest
Precipitation727 mm159 wet days a year
56.95° N, 24.11° EElevation 6 mUTC+3 · Eastern European Summer Time
When to goRiga · weather score
Best timeMay–Jul
October: high / low11° / 5°
iSummary
What the weather is like
Riga has a warm-summer humid continental climate (Köppen Dfb): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 24° and nights 15°. January is the coolest month, with highs of 0° and lows of -5°. The difference between the warmest and the coolest month is about 22°, a large swing typical of continental interiors.
About 727 mm of precipitation falls in an average year. July is the wettest month (87 mm, 16 wet days) and April the driest (34 mm, 10 wet days). Cloud cover ranges from 32% in July to 62% in December.
The sea reaches about 19° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Year in figures
- Hottest afternoons
- 24° · July
- Coldest nights
- -5° · February
- Wettest month
- July
- Driest month
- April
- Clearest skies
- July · 32% cloud
- Warmest sea
- 19° · August
- Longest day
- 17 h 50 min
- Shortest day
- 6 h 47 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 0° | 0° | 5° | 12° | 18° | 21° | 24° | 23° | 17° | 11° | 5° | 1° |
| Average low | -5° | -5° | -2° | 3° | 8° | 12° | 15° | 14° | 10° | 5° | 1° | -2° |
| Precipitation | 48 mm | 37 mm | 41 mm | 34 mm | 50 mm | 72 mm | 87 mm | 81 mm | 75 mm | 79 mm | 65 mm | 58 mm |
| Wet days (≥1 mm) | 14.2 | 10.9 | 11.6 | 9.9 | 11.4 | 13.2 | 15.9 | 14.7 | 11.9 | 15 | 14.8 | 15.5 |
| Cloud cover | 61% | 59% | 48% | 41% | 33% | 35% | 32% | 34% | 41% | 47% | 60% | 62% |
| Sea temperature | 2° | 1° | 1° | 3° | 9° | 14° | 18° | 19° | 16° | 11° | 8° | 5° |
| Daylight | 7h 24 | 9h 31 | 11h 45 | 14h 15 | 16h 28 | 17h 50 | 17h 16 | 15h 16 | 12h 51 | 10h 27 | 8h 09 | 6h 47 |
| Month score | 12 | 20 | 23 | 40 | 70 | 67 | 66 | 65 | 64 | 21 | 13 | 12 |
ivMonth by month
Riga in every month
January12
0° / -5°
48 mm · 14.2 wet days
February20
0° / -5°
37 mm · 10.9 wet days
March23
5° / -2°
41 mm · 11.6 wet days
April40
12° / 3°
34 mm · 9.9 wet days
May70
18° / 8°
50 mm · 11.4 wet days
June67
21° / 12°
72 mm · 13.2 wet days
July66
24° / 15°
87 mm · 15.9 wet days
August65
23° / 14°
81 mm · 14.7 wet days
September64
17° / 10°
75 mm · 11.9 wet days
October21
11° / 5°
79 mm · 15 wet days
November13
5° / 1°
65 mm · 14.8 wet days
December12
1° / -2°
58 mm · 15.5 wet days