Constantine, Algeria experiences average highs of 23°C (73°F) and lows of 11°C (52°F) throughout the year. The climate is relatively dry, with only 7 rainy days per month on average. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Constantine, Algeria Weather & Climate 2026
Monthly climate averages for Constantine, Algeria. 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
7.3/10
Best: May, June, September, October
UV Index
6
High
Temperature 23°C / 11°C
Feels Like 22°C / 10°C
Rainy Days 7
Rainfall 33 mm
Sunshine 10 h
Humidity 66%
Wind Speed 14 km/h
Dew Point 10°C
Snow Days 1 days
Frost Days 3 days
Hottest Month
36°C
July
Avg Low20°C
Rain3days
Coldest Month
3°C
January
Avg High13°C
Rain7days
Driest Month
3days
July
Avg High36°C
Avg Low20°C
Windiest Month
15 km/h
July (Gusts 39)
Worst Time to Visit
Consider avoiding January, February, December due to less favorable weather conditions.
Sun Position
Sunrise 05:17
Daylight 14.6h
Sunset 19:54
Live conditions—
Constantine on the map · live conditions
Constantine, Algeria
- Continent
- Africa
- Country
- Algeria
- City
- Constantine
- Population
- 448K
- Coordinates
- 36.37°, 6.61°
Seasonal Breakdown
Spring
Mar–May
Avg High 21°C
Avg Low 8°C
Rain 9 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 34°C
Avg Low 18°C
Rain 4 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 24°C
Avg Low 12°C
Rain 7 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 14°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: 13°C / 3°C . Feb: 15°C / 4°C . Mar: 18°C / 6°C . Apr: 21°C / 8°C . May: 25°C / 11°C . Jun: 32°C / 16°C . Jul: 36°C / 20°C . Aug: 34°C / 19°C . Sep: 30°C / 17°C . Oct: 25°C / 12°C . Nov: 18°C / 8°C . Dec: 14°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 34 mm. Feb: 33 mm. Mar: 48 mm. Apr: 50 mm. May: 57 mm. Jun: 17 mm. Jul: 8 mm. Aug: 15 mm. Sep: 30 mm. Oct: 28 mm. Nov: 41 mm. Dec: 38 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 73%. Mar: 71%. Apr: 70%. May: 67%. Jun: 55%. Jul: 46%. Aug: 52%. Sep: 64%. Oct: 66%. Nov: 71%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 13 km/h . Mar: 15 km/h . Apr: 14 km/h . May: 14 km/h . Jun: 15 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 13 km/h . Oct: 12 km/h . Nov: 13 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 11h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 8h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 9. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 2 days. Feb: 1 days. Mar: 1 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have stayed broadly stable 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 · 34°C | Jul · 36°C |
| Coldest month | Feb 2025 · 4°C | Jan · 3°C |
| Wettest month | May 2025 · 75 mm | May · 57 mm |
| Windiest month | Mar 2025 · 17 km/h | Jul · 15 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Fair April
Good May best
Excellent June best
Excellent July
Good August
Good September best
Excellent October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 13°C / 3°C | 10°C / 0°C | 7days (34 mm) Good | 7.8h Good | 75% Muggy | 3.3 Moderate | Fair | View Details |
| February | 15°C / 4°C | 12°C / 1°C | 7days (33 mm) Good | 8.8h Good | 73% Muggy | 4.3 Moderate | Fair | View Details |
| March | 18°C / 6°C | 15°C / 3°C | 9days (48 mm) Wet | 9.7h Good | 71% Muggy | 6 High | Fair | View Details |
| April | 21°C / 8°C | 20°C / 6°C | 9days (50 mm) Wet | 10.8h Excellent | 70% Muggy | 7.2 Very High | Good | View Details |
| May best | 25°C / 11°C | 25°C / 10°C | 9days (57 mm) Wet | 11.4h Excellent | 67% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 32°C / 16°C | 32°C / 17°C | 5days (17 mm) Good | 12.6h Excellent | 55% Moderate | 8.6 Very High | Excellent | View Details |
| July | 36°C / 20°C | 36°C / 20°C | 3days (8 mm) Excellent | 12.9h Excellent | 46% Moderate | 8.7 Very High | Good | View Details |
| August | 34°C / 19°C | 35°C / 20°C | 4days (15 mm) Good | 12.2h Excellent | 52% Moderate | 8.2 Very High | Good | View Details |
| September best | 30°C / 17°C | 30°C / 18°C | 7days (30 mm) Good | 10.3h Excellent | 64% Muggy | 6.8 High | Excellent | View Details |
| October best | 25°C / 12°C | 23°C / 12°C | 5days (28 mm) Good | 9.4h Good | 66% Muggy | 5.4 High | Excellent | View Details |
| November | 18°C / 8°C | 16°C / 6°C | 8days (41 mm) Wet | 7.9h Good | 71% Muggy | 3.8 Moderate | Good | View Details |
| December | 14°C / 5°C | 12°C / 2°C | 7days (38 mm) Good | 7.5h Good | 77% Humid | 2.9 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Constantine are May, June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Constantine, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Constantine is July, with average daytime highs of 36°C (96°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Constantine is January, with average overnight lows of 3°C (37°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Constantine is May, averaging 57mm of precipitation across 9 rainy days. An umbrella or waterproof jacket is essential.
Constantine receives approximately 121 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Constantine.
The least favorable months to visit Constantine are January, February, December, primarily due to less favorable weather conditions. For the best conditions, consider May, June, September, October instead.
The annual average UV index in Constantine is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Constantine is 66%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Constantine receives snow. Months with snowfall average 1 snow days and 2 cm (1 in) of accumulation, with about 3 frost days during winter.
Average wind speeds in Constantine are 14 km/h (9 mph). The windiest month is July with peak winds reaching 15 km/h (9 mph) (gusts up to 39 km/h / 24 mph).
Constantine averages 9 clear-sky days per month with overall cloud cover around 42%. The clearest skies occur in July.
The annual average dew point in Constantine is 10°C (50°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Constantine has a Cold Semi-Arid climate, classified as BSk under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Constantine ranges from 10°C (50°F) to 22°C (72°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 Constantine. It earns a climate score of 9.1/10 with Excellent.
For June in Constantine, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 32°C (89°F) and 5 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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