Onega in Summer
In summer (June, July and August), Onega sees average daytime highs around 16°C and overnight lows near 10°C, with 201 mm of precipitation over about 33 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 12°C in early June to 15°C by late August. The sky is clear or mostly clear about 21% of the time across summer, and the air most often feels dry.
Summer is Onega's best season of the year to visit on our travel score. For the whole year in context, see Onega's year-round climate.
- Avg daytime high
- 16°C
- warmest season of the year
- Avg overnight low
- 10°C
- Precipitation
- 201 mm
- 33 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Onega in Summer
Over the season highs climb from about 12°C in early June to 15°C by late August.
A typical summer day in Onega reaches about 16°C and drops to 10°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Onega
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Onega weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -7° / -11° | 37 | 10.1 | 13.1 | 5 | 0.0 |
| Feb | -7° / -11° | 27 | 8.5 | 10.5 | 8 | 0.0 |
| Mar | -3° / -8° | 30 | 8.4 | 9.7 | 11.2 | 0.0 |
| Apr | 3° / -3° | 33 | 8.6 | 5 | 14.6 | 0.0 |
| May | 9° / 3° | 52 | 10.2 | 2 | 17.8 | 1.8 |
| Jun | 14° / 8° | 58 | 10.3 | 0.1 | 20 | 4.0 |
| Jul | 18° / 12° | 65 | 11.2 | 0 | 19.1 | 5.6 |
| Aug | 16° / 11° | 78 | 11.7 | 0 | 16 | 4.9 |
| Sep | 12° / 8° | 82 | 13.7 | 0.2 | 12.7 | 2.7 |
| Oct | 5° / 2° | 81 | 15.2 | 4.5 | 9.3 | 0.3 |
| Nov | -1° / -4° | 54 | 13.2 | 11.1 | 6.1 | 0.0 |
| Dec | -4° / -8° | 46 | 12.4 | 14.3 | 4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 21% of the time across summer.
Chance of precipitation in Summer
Onega gets around 201 mm of rain and snow over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 19 h 18 min in early June to 14 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.8 kWh/m².
Is summer a good time to visit Onega?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Onega for sightseeing.
What to pack for Onega in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Onega sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 33 days see rain.
Sea temperature near Onega in Summer
The nearest coast averages about 10°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in August at about 13°C and coldest in February near -1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | -1 | -1 | -1 | 0 | 3 | 6 | 12 | 13 | 11 | 6 | 1 | -1 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | -1 | Bracing |
| Feb | -1 | Bracing |
| Mar | -1 | Bracing |
| Apr | 0 | Bracing |
| May | 3 | Bracing |
| Jun | 6 | Bracing |
| Jul | 12 | Bracing |
| Aug | 13 | Bracing |
| Sep | 11 | Bracing |
| Oct | 6 | Bracing |
| Nov | 1 | Bracing |
| Dec | -1 | Bracing |
UV index in Onega in Summer
Clear-sky midday UV across summer averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Onega peaks around July 12 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 0 | 1 | 2 | 4 | 4 | 5 | 3 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 0 | Low |
| Mar | 1 | Low |
| Apr | 2 | Moderate |
| May | 4 | Moderate |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 3 | Moderate |
| Sep | 2 | Low |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Onega?
Onega sits at 63.9°N, 38.1°E, 21 m above sea level, in Russia. The nearest listed city is Severodvinsk, 111 km away.
Topography around Onega
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Onega.
Within 3 km, the terrain around Onega has only modest variations in elevation — a maximum elevation change of 111 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.
The land around Onega is covered by trees (47%) and water (24%) within 3 km, trees (54%) and water (24%) within 16 km, and trees (60%) and water (21%) within 80 km.
Russia travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $17,547
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Safe drinking water
- 76%
- of population, 2024
- Homicide rate
- 6.8
- per 100k, 2021
- Road deaths
- 12
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 521
- Religion
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 Onega (63.9057°, 38.0994°, elevation 21 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.