Constanza, Dominican Republic experiences average highs of 25°C (77°F) and lows of 18°C (64°F) throughout the year. Rainfall is frequent, averaging about 18 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. Average highs have stayed broadly stable across the available records.
Constanza, Dominican Republic Weather & Climate 2026
Monthly climate averages for Constanza, Dominican Republic. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.5/10
Best: January, February, December
UV Index
8
High
Temperature 25°C / 18°C
Feels Like 28°C / 20°C
Rainy Days 18
Rainfall 129 mm
Sunshine 11 h
Humidity 84%
Wind Speed 9 km/h
Dew Point 19°C
Hottest Month
26°C
August
Avg Low 20°C
Rain 22 days
Coldest Month
16°C
February
Avg High 24°C
Rain 10 days
Driest Month
10 days
January
Avg High 23°C
Avg Low 16°C
Windiest Month
11 km/h
July (Gusts 40)
Worst Time to Visit
Consider avoiding August, September due to heavy rainfall.
Sun Position
Sunrise 06:14
Daylight 13.2h
Sunset 19:24
Live conditions —
Constanza on the map · live conditions
Constanza, Dominican Republic
- Continent
- Americas
- Country
- Dominican Republic
- City
- Constanza
- Population
- 29.5K
- Coordinates
- 18.91°, -70.74°
Seasonal Breakdown
Spring
Mar–May
Avg High 24°C
Avg Low 18°C
Rain 20 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 19°C
Rain 22 days/mo
Autumn
Sep–Nov
Avg High 25°C
Avg Low 19°C
Rain 21 days/mo
Winter
Dec–Feb
Avg High 24°C
Avg Low 16°C
Rain 10 days/mo
3/3 best months
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: 23°C / 16°C . Feb: 24°C / 16°C . Mar: 24°C / 17°C . Apr: 24°C / 18°C . May: 25°C / 19°C . Jun: 26°C / 19°C . Jul: 26°C / 19°C . Aug: 26°C / 20°C . Sep: 26°C / 19°C . Oct: 25°C / 19°C . Nov: 24°C / 18°C . Dec: 24°C / 17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 50 mm. Feb: 38 mm. Mar: 113 mm. Apr: 186 mm. May: 245 mm. Jun: 133 mm. Jul: 110 mm. Aug: 151 mm. Sep: 194 mm. Oct: 174 mm. Nov: 120 mm. Dec: 38 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 80%. Mar: 80%. Apr: 83%. May: 85%. Jun: 84%. Jul: 83%. Aug: 84%. Sep: 86%. Oct: 87%. Nov: 86%. Dec: 84%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 9 km/h . Feb: 11 km/h . Mar: 9 km/h . Apr: 8 km/h . May: 8 km/h . Jun: 10 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 9 km/h . Oct: 8 km/h . Nov: 8 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 11h. Apr: 11h. May: 11h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 10h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 9. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 9. Oct: UV 7. Nov: UV 7. Dec: UV 6.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable 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 | Aug 2025 · 27°C | Aug · 26°C |
| Coldest month | Feb 2025 · 16°C | Feb · 16°C |
| Wettest month | May 2025 · 297 mm | May · 245 mm |
| Windiest month | Jul 2025 · 11 km/h | Jul · 11 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Wet May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Good December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 23°C / 16°C | 25°C / 17°C | 10days (50 mm) Wet | 9.9h Good | 82% Humid | 6.8 High | Excellent | View Details |
| February best | 24°C / 16°C | 25°C / 17°C | 10days (38 mm) Wet | 10.3h Excellent | 80% Humid | 7.7 Very High | Excellent | View Details |
| March | 24°C / 17°C | 26°C / 18°C | 15days (113 mm) Wet | 10.7h Excellent | 80% Humid | 8.6 Very High | Good | View Details |
| April | 24°C / 18°C | 27°C / 20°C | 20days (186 mm) Wet | 10.8h Excellent | 83% Humid | 8.7 Very High | Wet | View Details |
| May | 25°C / 19°C | 29°C / 21°C | 25days (245 mm) Wet | 11h Excellent | 85% Humid | 9 Very High | Wet | View Details |
| June | 26°C / 19°C | 30°C / 21°C | 21days (133 mm) Wet | 11.4h Excellent | 84% Humid | 8.8 Very High | Wet | View Details |
| July | 26°C / 19°C | 30°C / 22°C | 23days (110 mm) Wet | 11.6h Excellent | 83% Humid | 9 Very High | Wet | View Details |
| August | 26°C / 20°C | 30°C / 22°C | 22days (151 mm) Wet | 11.1h Excellent | 84% Humid | 9 Very High | Wet | View Details |
| September | 26°C / 19°C | 30°C / 22°C | 24days (194 mm) Wet | 10.3h Excellent | 86% Very Muggy | 8.6 Very High | Wet | View Details |
| October | 25°C / 19°C | 29°C / 22°C | 22days (174 mm) Wet | 9.8h Good | 87% Very Muggy | 7.4 Very High | Wet | View Details |
| November | 24°C / 18°C | 27°C / 20°C | 16days (120 mm) Wet | 9.6h Good | 86% Very Muggy | 6.7 High | Good | View Details |
| December best | 24°C / 17°C | 25°C / 18°C | 10days (38 mm) Wet | 9.9h Good | 84% Humid | 6.2 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Constanza are January, February, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Constanza, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Constanza is August, with average daytime highs of 26°C (79°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Constanza is February, with average overnight lows of 16°C (61°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Constanza is May, averaging 245mm of precipitation across 25 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Constanza runs through May, September, July, August, with the heaviest rainfall in May. Based on 10-year averages for Constanza.
Constanza receives approximately 126 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Constanza.
The least favorable months to visit Constanza are August, September, primarily due to heavy rainfall. For the best conditions, consider January, February, December instead.
The annual average UV index in Constanza is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Constanza is 84%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Constanza are 9 km/h (6 mph). The windiest month is July with peak winds reaching 11 km/h (7 mph) (gusts up to 40 km/h / 25 mph).
Constanza averages 1 clear-sky days per month with overall cloud cover around 64%. The clearest skies occur in January.
The annual average dew point in Constanza is 19°C (66°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Constanza has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Constanza ranges from 20°C (68°F) to 28°C (82°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
July is not the best time to visit Constanza, with a climate score of 7.3/10. Consider visiting during January, February, December instead for better conditions.
For July in Constanza, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 26°C (79°F) and 23 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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