Nassau, Bahamas experiences average highs of 27°C (81°F) and lows of 25°C (77°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Nassau, Bahamas Weather & Climate 2026
Monthly climate averages for Nassau, Bahamas. 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
7.1/10
Best: January, February, March, April, December
UV Index
7
High
Temperature 27°C / 25°C
Feels Like 30°C / 25°C
Rainy Days 11
Rainfall 81 mm
Sunshine 10 h
Humidity 75%
Wind Speed 27 km/h
Dew Point 21°C
Hottest Month
30°C
August
Avg Low 27°C
Rain 16 days
Coldest Month
22°C
January
Avg High 24°C
Rain 8 days
Driest Month
4 days
February
Avg High 25°C
Avg Low 22°C
Windiest Month
30 km/h
January (Gusts 41)
Sea Temperature
24°C – 31°C
Warmest water: August (
30.8°C
)
Worst Time to Visit
Consider avoiding July, August, September due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:19
Daylight 13.7h
Sunset 20:01
Live conditions —
Nassau on the map · live conditions
Nassau, Bahamas
- Continent
- Americas
- Country
- Bahamas
- City
- Nassau
- Population
- 227.9K
- Coordinates
- 25.06°, -77.34°
Seasonal Breakdown
Spring
Mar–May
Avg High 26°C
Avg Low 23°C
Rain 8 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 27°C
Rain 15 days/mo
Autumn
Sep–Nov
Avg High 28°C
Avg Low 26°C
Rain 14 days/mo
Winter
Dec–Feb
Avg High 25°C
Avg Low 22°C
Rain 7 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: 24°C / 22°C . Feb: 25°C / 22°C . Mar: 25°C / 22°C . Apr: 26°C / 23°C . May: 27°C / 25°C . Jun: 29°C / 26°C . Jul: 30°C / 27°C . Aug: 30°C / 27°C . Sep: 29°C / 27°C . Oct: 28°C / 26°C . Nov: 26°C / 24°C . Dec: 25°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 48 mm. Feb: 32 mm. Mar: 34 mm. Apr: 44 mm. May: 105 mm. Jun: 105 mm. Jul: 91 mm. Aug: 112 mm. Sep: 144 mm. Oct: 145 mm. Nov: 62 mm. Dec: 46 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 72%. Mar: 70%. Apr: 72%. May: 76%. Jun: 79%. Jul: 76%. Aug: 76%. Sep: 78%. Oct: 77%. Nov: 73%. Dec: 73%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 30 km/h . Feb: 29 km/h . Mar: 29 km/h . Apr: 28 km/h . May: 26 km/h . Jun: 24 km/h . Jul: 25 km/h . Aug: 25 km/h . Sep: 24 km/h . Oct: 28 km/h . Nov: 29 km/h . Dec: 29 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 10h. Mar: 11h. Apr: 12h. May: 11h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 10h. Nov: 10h. Dec: 9h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 24°C . Feb: 24°C . Mar: 25°C . Apr: 26°C . May: 28°C . Jun: 29°C . Jul: 31°C . Aug: 31°C . Sep: 30°C . Oct: 29°C . Nov: 26°C . Dec: 25°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 5. Feb: UV 7. Mar: UV 8. Apr: UV 9. May: UV 9. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 8. Oct: UV 7. Nov: UV 6. Dec: UV 5.
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 wetter by about 15 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 30°C | Aug · 30°C |
| Coldest month | Jan 2025 · 21°C | Jan · 22°C |
| Wettest month | Sep 2025 · 317 mm | Oct · 145 mm |
| Windiest month | Mar 2025 · 29 km/h | Jan · 30 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April best
Excellent May
Good June
Fair July
Poor August
Poor September
Poor October
Fair November
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 24°C / 22°C | 25°C / 20°C | 8days (48 mm) Wet | 9h Good | 72% Muggy | 5.3 High | Excellent | View Details |
| February best | 25°C / 22°C | 26°C / 21°C | 4days (32 mm) Good | 10h Excellent | 72% Muggy | 6.5 High | Excellent | View Details |
| March best | 25°C / 22°C | 26°C / 21°C | 5days (34 mm) Good | 10.6h Excellent | 70% Muggy | 7.7 Very High | Excellent | View Details |
| April best | 26°C / 23°C | 28°C / 23°C | 8days (44 mm) Wet | 11.5h Excellent | 72% Muggy | 8.5 Very High | Excellent | View Details |
| May | 27°C / 25°C | 31°C / 26°C | 11days (105 mm) Wet | 11.3h Excellent | 76% Humid | 8.7 Very High | Good | View Details |
| June | 29°C / 26°C | 34°C / 29°C | 15days (105 mm) Wet | 11.1h Excellent | 79% Humid | 8.3 Very High | Fair | View Details |
| July | 30°C / 27°C | 35°C / 30°C | 15days (91 mm) Wet | 11.9h Excellent | 76% Humid | 8.6 Very High | Poor | View Details |
| August | 30°C / 27°C | 35°C / 30°C | 16days (112 mm) Wet | 11.4h Excellent | 76% Humid | 8.4 Very High | Poor | View Details |
| September | 29°C / 27°C | 34°C / 30°C | 16days (144 mm) Wet | 10.4h Excellent | 78% Humid | 7.7 Very High | Poor | View Details |
| October | 28°C / 26°C | 31°C / 27°C | 17days (145 mm) Wet | 9.6h Good | 77% Humid | 6.6 High | Fair | View Details |
| November | 26°C / 24°C | 28°C / 24°C | 8days (62 mm) Wet | 9.5h Good | 73% Muggy | 5.5 High | Excellent | View Details |
| December best | 25°C / 23°C | 26°C / 22°C | 8days (46 mm) Wet | 9h Good | 73% Muggy | 4.8 Moderate | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Nassau are January, February, March, April, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Nassau, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Nassau 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 Nassau is January, with average overnight lows of 22°C (71°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Nassau is October, averaging 145mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Nassau runs through October, August, September, June, with the heaviest rainfall in October. Based on 10-year averages for Nassau.
Nassau receives approximately 125 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Nassau.
The least favorable months to visit Nassau are July, August, September, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March, April, December instead.
The annual average UV index in Nassau is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Nassau is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Nassau are 27 km/h (17 mph). The windiest month is January with peak winds reaching 30 km/h (18 mph) (gusts up to 41 km/h / 26 mph).
Nassau averages 5 clear-sky days per month with overall cloud cover around 50%. The clearest skies occur in February.
The annual average dew point in Nassau is 21°C (70°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Nassau 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 Nassau ranges from 25°C (77°F) to 30°C (86°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Nassau, with a climate score of 5.3/10. Consider visiting during January, February, March, April, December instead for better conditions.
For June in Nassau, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (84°F) and 15 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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