Sim, Russia experiences average highs of 8°C (46°F) and lows of 0°C (32°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.
Sim, Russia Weather & Climate 2026
Monthly climate averages for Sim, Russia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4/10
Best: June, July, August
UV Index
3
Low
Temperature 8°C / 0°C
Feels Like 5°C / -3°C
Rainy Days 11
Rainfall 60 mm
Sunshine 7 h
Humidity 75%
Wind Speed 15 km/h
Dew Point 0°C
Snow Days 11 days
Frost Days 19 days
Hottest Month
24°C
July
Avg Low 15°C
Rain 13 days
Coldest Month
-14°C
January
Avg High -8°C
Rain 10 days
Driest Month
8 days
February
Avg High -5°C
Avg Low -12°C
Windiest Month
17 km/h
April (Gusts 41)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:30
Daylight 17.3h
Sunset 21:50
Live conditions —
Sim on the map · live conditions
Sim, Russia
- Continent
- Europe
- Country
- Russia
- City
- Sim
- Population
- 15.6K
- Coordinates
- 54.99°, 57.70°
Seasonal Breakdown
Spring
Mar–May
Avg High 10°C
Avg Low 0°C
Rain 10 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 14°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 7°C
Avg Low 1°C
Rain 12 days/mo
Winter
Dec–Feb
Avg High -7°C
Avg Low -13°C
Rain 9 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: -8°C / -14°C . Feb: -5°C / -12°C . Mar: 1°C / -7°C . Apr: 11°C / 1°C . May: 18°C / 7°C . Jun: 21°C / 12°C . Jul: 24°C / 15°C . Aug: 23°C / 14°C . Sep: 16°C / 8°C . Oct: 8°C / 2°C . Nov: -1°C / -6°C . Dec: -7°C / -13°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 36 mm. Mar: 46 mm. Apr: 48 mm. May: 52 mm. Jun: 84 mm. Jul: 97 mm. Aug: 77 mm. Sep: 71 mm. Oct: 63 mm. Nov: 65 mm. Dec: 40 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 80%. Mar: 77%. Apr: 70%. May: 62%. Jun: 69%. Jul: 71%. Aug: 71%. Sep: 75%. Oct: 76%. Nov: 82%. Dec: 82%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 16 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 10h. May: 12h. Jun: 13h. Jul: 13h. Aug: 11h. Sep: 8h. Oct: 5h. Nov: 3h. Dec: 2h.
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 6. Jul: UV 5. Aug: UV 5. Sep: UV 3. 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: 16 days. Mar: 15 days. Apr: 7 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 8 days. Nov: 17 days. Dec: 16 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall is trending wetter by about 24 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 23°C | Jul · 24°C |
| Coldest month | Feb 2025 · -12°C | Jan · -14°C |
| Wettest month | Aug 2025 · 129 mm | Jul · 97 mm |
| Windiest month | Apr 2025 · 18 km/h | Apr · 17 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
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -8°C / -14°C | -13°C / -19°C | 10days (43 mm) Wet | 2.5h Poor | 80% Humid | 0.8 Low | Poor | View Details |
| February | -5°C / -12°C | -10°C / -17°C | 8days (36 mm) Wet | 4.6h Fair | 80% Humid | 1.8 Low | Poor | View Details |
| March | 1°C / -7°C | -4°C / -12°C | 10days (46 mm) Wet | 7.3h Good | 77% Humid | 2.7 Moderate | Poor | View Details |
| April | 11°C / 1°C | 7°C / -3°C | 11days (48 mm) Wet | 9.5h Good | 70% Muggy | 3.8 Moderate | Poor | View Details |
| May | 18°C / 7°C | 16°C / 4°C | 10days (52 mm) Wet | 11.8h Excellent | 62% Muggy | 5 Moderate | Fair | View Details |
| June best | 21°C / 12°C | 21°C / 10°C | 13days (84 mm) Wet | 12.5h Excellent | 69% Muggy | 5.5 High | Excellent | View Details |
| July best | 24°C / 15°C | 25°C / 15°C | 13days (97 mm) Wet | 12.9h Excellent | 71% Muggy | 5.4 High | Excellent | View Details |
| August best | 23°C / 14°C | 23°C / 13°C | 12days (77 mm) Wet | 11.1h Excellent | 71% Muggy | 4.5 Moderate | Excellent | View Details |
| September | 16°C / 8°C | 13°C / 5°C | 12days (71 mm) Wet | 7.7h Good | 75% Muggy | 3.2 Moderate | Fair | View Details |
| October | 8°C / 2°C | 4°C / -2°C | 12days (63 mm) Wet | 4.5h Fair | 76% Humid | 1.7 Low | Poor | View Details |
| November | -1°C / -6°C | -5°C / -11°C | 12days (65 mm) Wet | 2.6h Poor | 82% Humid | 0.8 Low | Poor | View Details |
| December | -7°C / -13°C | -12°C / -18°C | 10days (40 mm) Wet | 2h Poor | 82% Humid | 0.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Sim are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Sim, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Sim is July, with average daytime highs of 24°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Sim is January, with average overnight lows of -14°C (7°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Sim is July, averaging 97mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Sim runs through June, July, August, September, with the heaviest rainfall in June. Based on 10-year averages for Sim.
Sim receives approximately 89 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Sim.
The least favorable months to visit Sim are January, February, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August instead.
The annual average UV index in Sim is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Sim is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Sim receives snow. Months with snowfall average 11 snow days and 20 cm (8 in) of accumulation, with about 19 frost days during winter.
Average wind speeds in Sim are 15 km/h (9 mph). The windiest month is April with peak winds reaching 17 km/h (11 mph) (gusts up to 41 km/h / 25 mph).
Sim averages 3 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in August.
The annual average dew point in Sim is 0°C (32°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Sim 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 Sim ranges from -3°C (27°F) to 5°C (41°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Sim. It earns a climate score of 7.9/10 with Excellent.
For June in Sim, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (71°F) and 13 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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