Bum, Azerbaijan experiences average highs of 16°C (61°F) and lows of 6°C (43°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 1.7°C (3.1°F) across the available records.
Bum, Azerbaijan Weather & Climate 2026
Monthly climate averages for Bum, Azerbaijan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.8/10
Best: May, June, July, August, September
UV Index
5
Low
Temperature 16°C / 6°C
Feels Like 15°C / 5°C
Rainy Days 9
Rainfall 54 mm
Sunshine 10 h
Humidity 70%
Wind Speed 9 km/h
Dew Point 6°C
Snow Days 6 days
Frost Days 14 days
Hottest Month
28°C
August
Avg Low18°C
Rain5days
Coldest Month
-4°C
January
Avg High5°C
Rain7days
Driest Month
5days
August
Avg High28°C
Avg Low18°C
Windiest Month
10 km/h
August (Gusts 30)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:17
Daylight 15.1h
Sunset 20:24
Live conditions—
Bum on the map · live conditions
Bum, Azerbaijan
- Continent
- Asia
- Country
- Azerbaijan
- City
- Bum
- Population
- 5.1K
- Coordinates
- 41.01°, 47.78°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 5°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 27°C
Avg Low 17°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 8°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 5°C
Avg Low -4°C
Rain 7 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 5°C / -4°C . Feb: 5°C / -4°C . Mar: 10°C / 0°C . Apr: 15°C / 5°C . May: 20°C / 10°C . Jun: 25°C / 15°C . Jul: 28°C / 18°C . Aug: 28°C / 18°C . Sep: 22°C / 13°C . Oct: 16°C / 7°C . Nov: 11°C / 2°C . Dec: 6°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 31 mm. Feb: 45 mm. Mar: 76 mm. Apr: 68 mm. May: 86 mm. Jun: 55 mm. Jul: 45 mm. Aug: 38 mm. Sep: 58 mm. Oct: 59 mm. Nov: 49 mm. Dec: 33 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 72%. Mar: 75%. Apr: 76%. May: 75%. Jun: 65%. Jul: 63%. Aug: 57%. Sep: 70%. Oct: 77%. Nov: 72%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 7 km/h . Feb: 8 km/h . Mar: 9 km/h . Apr: 9 km/h . May: 10 km/h . Jun: 9 km/h . Jul: 9 km/h . Aug: 10 km/h . Sep: 9 km/h . Oct: 9 km/h . Nov: 8 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 9h. Apr: 11h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 9 days. Feb: 11 days. Mar: 12 days. Apr: 6 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 2 days. Nov: 6 days. Dec: 9 days.
Climate Trends
Average highs have warmed by 1.7°C (3.1°F) across the available records. Average rainfall is trending drier by about 23 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 28°C | Aug · 28°C |
| Coldest month | Feb 2025 · -7°C | Jan · -4°C |
| Wettest month | Sep 2025 · 123 mm | May · 86 mm |
| Windiest month | Apr 2025 · 10 km/h | Aug · 10 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -4°C | 2°C / -8°C | 7days (31 mm) Good | 7.5h Good | 66% Muggy | 2.4 Moderate | Poor | View Details |
| February | 5°C / -4°C | 2°C / -8°C | 8days (45 mm) Wet | 8.5h Good | 72% Muggy | 3.2 Moderate | Poor | View Details |
| March | 10°C / 0°C | 8°C / -3°C | 12days (76 mm) Wet | 9.2h Good | 75% Muggy | 4.3 Moderate | Poor | View Details |
| April | 15°C / 5°C | 15°C / 3°C | 11days (68 mm) Wet | 10.5h Excellent | 76% Humid | 5.9 High | Fair | View Details |
| May best | 20°C / 10°C | 21°C / 9°C | 13days (86 mm) Wet | 11.1h Excellent | 75% Muggy | 6.8 High | Excellent | View Details |
| June best | 25°C / 15°C | 27°C / 15°C | 10days (55 mm) Wet | 12.6h Excellent | 65% Muggy | 7.7 Very High | Excellent | View Details |
| July best | 28°C / 18°C | 30°C / 18°C | 8days (45 mm) Wet | 12.7h Excellent | 63% Muggy | 7.4 Very High | Excellent | View Details |
| August best | 28°C / 18°C | 29°C / 18°C | 5days (38 mm) Good | 12h Excellent | 57% Moderate | 7.1 Very High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 13°C | 9days (58 mm) Wet | 9.9h Good | 70% Muggy | 5.3 High | Excellent | View Details |
| October | 16°C / 7°C | 15°C / 5°C | 9days (59 mm) Wet | 8.6h Good | 77% Humid | 3.9 Moderate | Good | View Details |
| November | 11°C / 2°C | 9°C / -1°C | 8days (49 mm) Wet | 7.7h Good | 72% Muggy | 3 Moderate | Fair | View Details |
| December | 6°C / -2°C | 3°C / -6°C | 7days (33 mm) Good | 7.2h Good | 70% Muggy | 2.1 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bum are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bum, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bum is August, with average daytime highs of 28°C (82°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bum is January, with average overnight lows of -4°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bum is May, averaging 86mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bum runs through May, March, April, June, with the heaviest rainfall in May. Based on 10-year averages for Bum.
Bum receives approximately 118 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Bum.
The least favorable months to visit Bum are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Bum is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Bum is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Bum receives snow. Months with snowfall average 6 snow days and 12 cm (5 in) of accumulation, with about 14 frost days during winter.
Average wind speeds in Bum are 9 km/h (6 mph). The windiest month is August with peak winds reaching 10 km/h (6 mph) (gusts up to 30 km/h / 18 mph).
Bum averages 8 clear-sky days per month with overall cloud cover around 44%. The clearest skies occur in August.
The annual average dew point in Bum is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Bum has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Bum ranges from 5°C (41°F) to 15°C (59°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Bum. It earns a climate score of 8.9/10 with Excellent.
For June in Bum, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 25°C (78°F) and 10 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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