Călui, Romania experiences average highs of 18°C (64°F) and lows of 8°C (46°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.7°C (3.1°F) across the available records.
Călui, Romania Weather & Climate 2026
Monthly climate averages for Călui, Romania. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.1/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 18°C / 8°C
Feels Like 16°C / 6°C
Rainy Days 9
Rainfall 53 mm
Sunshine 9 h
Humidity 70%
Wind Speed 14 km/h
Dew Point 7°C
Snow Days 3 days
Frost Days 12 days
Hottest Month
30°C
August
Avg Low20°C
Rain6days
Coldest Month
-3°C
January
Avg High5°C
Rain8days
Driest Month
5days
September
Avg High25°C
Avg Low15°C
Windiest Month
16 km/h
April (Gusts 33)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 05:40
Daylight 15.5h
Sunset 21:11
Live conditions—
Călui on the map · live conditions
Călui, Romania
- Continent
- Europe
- Country
- Romania
- City
- Călui
- Population
- 1.1K
- Coordinates
- 44.45°, 24.06°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 7°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 19°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 9°C
Rain 7 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low -1°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 / -3°C . Feb: 8°C / 0°C . Mar: 12°C / 2°C . Apr: 18°C / 7°C . May: 22°C / 12°C . Jun: 27°C / 17°C . Jul: 30°C / 19°C . Aug: 30°C / 20°C . Sep: 25°C / 15°C . Oct: 18°C / 9°C . Nov: 11°C / 4°C . Dec: 6°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 49 mm. Feb: 27 mm. Mar: 57 mm. Apr: 51 mm. May: 85 mm. Jun: 83 mm. Jul: 59 mm. Aug: 31 mm. Sep: 27 mm. Oct: 50 mm. Nov: 66 mm. Dec: 49 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 76%. Mar: 71%. Apr: 64%. May: 67%. Jun: 68%. Jul: 60%. Aug: 54%. Sep: 58%. Oct: 71%. Nov: 83%. Dec: 85%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 15 km/h . Mar: 15 km/h . Apr: 16 km/h . May: 15 km/h . Jun: 13 km/h . Jul: 13 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 14 km/h . Nov: 14 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 8h. Apr: 10h. May: 11h. Jun: 12h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 5h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. 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: 6 days. Feb: 3 days. Mar: 3 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 3 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 13 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 33°C | Aug · 30°C |
| Coldest month | Feb 2025 · -4°C | Jan · -3°C |
| Wettest month | Oct 2025 · 127 mm | May · 85 mm |
| Windiest month | Apr 2025 · 16 km/h | Apr · 16 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Good May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -3°C | 1°C / -7°C | 8days (49 mm) Wet | 5.6h Fair | 82% Humid | 2 Low | Poor | View Details |
| February | 8°C / 0°C | 5°C / -4°C | 7days (27 mm) Good | 6.8h Fair | 76% Humid | 2.8 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -1°C | 10days (57 mm) Wet | 7.9h Good | 71% Muggy | 4 Moderate | Poor | View Details |
| April | 18°C / 7°C | 16°C / 4°C | 8days (51 mm) Wet | 10.1h Excellent | 64% Muggy | 5.5 High | Good | View Details |
| May best | 22°C / 12°C | 21°C / 10°C | 12days (85 mm) Wet | 11.1h Excellent | 67% Muggy | 6.2 High | Excellent | View Details |
| June best | 27°C / 17°C | 29°C / 18°C | 13days (83 mm) Wet | 12.4h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 30°C / 19°C | 31°C / 20°C | 10days (59 mm) Wet | 12.9h Excellent | 60% Moderate | 7 High | Excellent | View Details |
| August best | 30°C / 20°C | 31°C / 20°C | 6days (31 mm) Good | 12.2h Excellent | 54% Moderate | 6.4 High | Excellent | View Details |
| September best | 25°C / 15°C | 24°C / 14°C | 5days (27 mm) Good | 9.9h Good | 58% Moderate | 4.8 Moderate | Excellent | View Details |
| October | 18°C / 9°C | 16°C / 6°C | 7days (50 mm) Good | 7.5h Good | 71% Muggy | 3.4 Moderate | Good | View Details |
| November | 11°C / 4°C | 8°C / 1°C | 10days (66 mm) Wet | 4.6h Fair | 83% Humid | 1.9 Low | Poor | View Details |
| December | 6°C / 0°C | 3°C / -4°C | 7days (49 mm) Good | 4.5h Fair | 85% Humid | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Călui 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 Călui, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Călui is August, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Călui is January, with average overnight lows of -3°C (26°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Călui is May, averaging 85mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Călui runs through June, May, March, July, with the heaviest rainfall in June. Based on 10-year averages for Călui.
Călui receives approximately 106 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Călui.
The least favorable months to visit Călui are January, February, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Călui is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Călui is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Călui receives snow. Months with snowfall average 3 snow days and 8 cm (3 in) of accumulation, with about 12 frost days during winter.
Average wind speeds in Călui are 14 km/h (9 mph). The windiest month is April with peak winds reaching 16 km/h (10 mph) (gusts up to 33 km/h / 20 mph).
Călui averages 6 clear-sky days per month with overall cloud cover around 54%. The clearest skies occur in August.
The annual average dew point in Călui is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Călui 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 Călui ranges from 6°C (43°F) to 16°C (61°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 Călui. It earns a climate score of 8.6/10 with Excellent.
For June in Călui, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 27°C (81°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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