Oster, Russia experiences average highs of 10°C (50°F) and lows of 4°C (39°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Oster, Russia Weather & Climate 2026
Monthly climate averages for Oster, Russia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Jun–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.3/10
Best: June, July, August, September
UV Index
3
Low
Temperature 10°C / 4°C
Feels Like 8°C / 0°C
Rainy Days 11
Rainfall 61 mm
Sunshine 7 h
Humidity 78%
Wind Speed 19 km/h
Dew Point 3°C
Snow Days 10 days
Frost Days 18 days
Hottest Month
23°C
July
Avg Low 15°C
Rain 15 days
Coldest Month
-7°C
January
Avg High -3°C
Rain 11 days
Driest Month
8 days
September
Avg High 17°C
Avg Low 10°C
Windiest Month
21 km/h
February (Gusts 38)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:36
Daylight 16.6h
Sunset 21:13
Live conditions —
Oster on the map · live conditions
Oster, Russia
- Continent
- Europe
- Country
- Russia
- City
- Oster
- Population
- 1.9K
- Coordinates
- 54.02°, 32.80°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 2°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 14°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 10°C
Avg Low 4°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High -2°C
Avg Low -6°C
Rain 11 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -3°C / -7°C . Feb: -2°C / -7°C . Mar: 4°C / -4°C . Apr: 12°C / 2°C . May: 17°C / 7°C . Jun: 22°C / 13°C . Jul: 23°C / 15°C . Aug: 23°C / 14°C . Sep: 17°C / 10°C . Oct: 10°C / 4°C . Nov: 3°C / -1°C . Dec: -1°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 50 mm. Feb: 41 mm. Mar: 40 mm. Apr: 57 mm. May: 59 mm. Jun: 90 mm. Jul: 104 mm. Aug: 62 mm. Sep: 47 mm. Oct: 68 mm. Nov: 55 mm. Dec: 58 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 87%. Feb: 85%. Mar: 79%. Apr: 70%. May: 68%. Jun: 70%. Jul: 75%. Aug: 73%. Sep: 73%. Oct: 82%. Nov: 86%. Dec: 90%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 18 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 4h. Mar: 7h. Apr: 9h. May: 12h. Jun: 13h. Jul: 12h. Aug: 11h. Sep: 8h. Oct: 4h. Nov: 2h. Dec: 1h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 4. May: UV 5. Jun: UV 5. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 17 days. Feb: 14 days. Mar: 10 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 9 days. Dec: 18 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 24°C | Jul · 23°C |
| Coldest month | Feb 2025 · -8°C | Jan · -7°C |
| Wettest month | Jun 2025 · 112 mm | Jul · 104 mm |
| Windiest month | Jan 2025 · 21 km/h | Feb · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -3°C / -7°C | -8°C / -12°C | 11days (50 mm) Wet | 1.5h Poor | 87% Very Muggy | 0.8 Low | Poor | View Details |
| February | -2°C / -7°C | -7°C / -12°C | 10days (41 mm) Wet | 3.6h Poor | 85% Humid | 1.6 Low | Poor | View Details |
| March | 4°C / -4°C | 0°C / -8°C | 10days (40 mm) Wet | 6.5h Fair | 79% Humid | 2.6 Moderate | Poor | View Details |
| April | 12°C / 2°C | 8°C / -1°C | 11days (57 mm) Wet | 9h Good | 70% Muggy | 3.9 Moderate | Poor | View Details |
| May | 17°C / 7°C | 15°C / 5°C | 11days (59 mm) Wet | 11.5h Excellent | 68% Muggy | 5 Moderate | Fair | View Details |
| June best | 22°C / 13°C | 22°C / 12°C | 12days (90 mm) Wet | 12.5h Excellent | 70% Muggy | 5.4 High | Excellent | View Details |
| July best | 23°C / 15°C | 23°C / 14°C | 15days (104 mm) Wet | 12.2h Excellent | 75% Muggy | 5.7 High | Excellent | View Details |
| August best | 23°C / 14°C | 23°C / 13°C | 10days (62 mm) Wet | 11.1h Excellent | 73% Muggy | 4.8 Moderate | Excellent | View Details |
| September best | 17°C / 10°C | 15°C / 7°C | 8days (47 mm) Wet | 8h Good | 73% Muggy | 3.6 Moderate | Good | View Details |
| October | 10°C / 4°C | 7°C / 1°C | 11days (68 mm) Wet | 4.3h Fair | 82% Humid | 1.6 Low | Poor | View Details |
| November | 3°C / -1°C | -1°C / -5°C | 11days (55 mm) Wet | 1.6h Poor | 86% Very Muggy | 0.9 Low | Poor | View Details |
| December | -1°C / -4°C | -5°C / -9°C | 13days (58 mm) Wet | 0.8h Poor | 90% Very Muggy | 0.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Oster are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Oster, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Oster is July, with average daytime highs of 23°C (74°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Oster is January, with average overnight lows of -7°C (19°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Oster is July, averaging 104mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Oster runs through July, December, June, January, with the heaviest rainfall in July. Based on 10-year averages for Oster.
Oster receives approximately 83 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Oster.
The least favorable months to visit Oster are January, February, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Oster is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Oster is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Oster receives snow. Months with snowfall average 10 snow days and 17 cm (7 in) of accumulation, with about 18 frost days during winter.
Average wind speeds in Oster are 19 km/h (12 mph). The windiest month is February with peak winds reaching 21 km/h (13 mph) (gusts up to 38 km/h / 24 mph).
Oster averages 3 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in August.
The annual average dew point in Oster is 3°C (37°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Oster has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Oster ranges from 0°C (32°F) to 8°C (46°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, July is a great time to visit Oster. It earns a climate score of 8/10 with Excellent.
For July in Oster, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 23°C (74°F) and 15 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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