Nassau, Bahamas Climate & Monthly Averages
Nassau has a tropical wet-and-dry climate. August is the hottest month, averaging 87° by day; January is the coldest at 76°.
Rain, not cold, divides the year in Nassau
Warmth is the constant in Nassau: 79°F (26°C) averaged across all twelve months, never dropping below 76°F (24°C) even in January. October is the wettest month at 5.1 inches (130 mm).
The wet-and-dry rhythm at a glance
January is the coolest month, with highs of 76°F (24°C) and lows near 70°F (21°C). August is the warm end of the year, averaging 87°F (31°C) by day and 81°F (27°C) overnight. Days and nights are about 4°C apart on average - narrower than almost anywhere else we cover.
Between the average August and the average January lie 6°C, a narrower spread than about 83% of the cities we track. Average highs hold at or above 30°C for 3 months of the year, July through September being the unbroken run. July is the brightest month at 12.2 hours of sun a day, against an annual average of 10.6 - sunnier than roughly 85% of the cities we track.
Precipitation concentrates in October - 5.1 inches (130 mm) on 19 days - and thins out by February. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 94°F (34°C) and the lowest daily minimum 58°F (14°C).
More climate facts for Nassau
- Hottest month: August - highs near 87°F (31°C)
- Coldest month: January - highs near 76°F (24°C)
- Decade extremes (2015-2024): 94°F (34°C) high · 58°F (14°C) low
- Wettest month: October (19 rainy days) · Sunniest: July (12.2 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 6°C between the average warmest and coolest month · day to night: 4°C
- Months averaging 30°C or hotter: 3
- Average humidity: 72%
Choosing the right part of the year in Nassau
Choose dates by rain, not just temperature
Aim for November to April if you get the choice: humidity and rainfall are at their lowest, which is what actually varies here, and highs average 78°F (26°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in November.
What the humidity changes
Pack for Nassau with light clothing for the warm months and proper waterproofs rather than an umbrella - wet days are the norm here. Even in August, lows of 81°F (27°C) make an extra layer worth the space.
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Nassau's coldest night and warmest afternoon.
January
- Rain
- 11 days
- Sunshine
- 9.3 h
- Daylight
- 10.7 h
February
- Rain
- 9 days
- Sunshine
- 10.2 h
- Daylight
- 11.3 h
March
- Rain
- 8 days
- Sunshine
- 10.8 h
- Daylight
- 11.9 h
April
- Rain
- 12 days
- Sunshine
- 11.5 h
- Daylight
- 12.7 h
May
- Rain
- 16 days
- Sunshine
- 11.2 h
- Daylight
- 13.4 h
June
- Rain
- 19 days
- Sunshine
- 11.2 h
- Daylight
- 13.7 h
July
- Rain
- 17 days
- Sunshine
- 12.2 h
- Daylight
- 13.5 h
August
- Rain
- 18 days
- Sunshine
- 11.6 h
- Daylight
- 13.0 h
September
- Rain
- 18 days
- Sunshine
- 11.0 h
- Daylight
- 12.3 h
October
- Rain
- 19 days
- Sunshine
- 9.9 h
- Daylight
- 11.5 h
November
- Rain
- 11 days
- Sunshine
- 9.5 h
- Daylight
- 10.9 h
December
- Rain
- 10 days
- Sunshine
- 8.9 h
- Daylight
- 10.6 h
Looking for warmer alternatives? Browse warm places by month, or compare Nassau's coolest part of the year: January, February, December.
Monthly temperature and rain table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 76° | 70° | 11 | 1.8 in | 9.3 h/day | 10.7 h | 34% | 71% |
| February | 77° | 71° | 9 | 1.1 in | 10.2 h/day | 11.3 h | 33% | 71% |
| March | 78° | 71° | 8 | 1.3 in | 10.8 h/day | 11.9 h | 25% | 68% |
| April | 80° | 74° | 12 | 1.9 in | 11.5 h/day | 12.7 h | 39% | 70% |
| May | 82° | 76° | 16 | 4.3 in | 11.2 h/day | 13.4 h | 53% | 74% |
| June | 85° | 79° | 19 | 3.4 in | 11.2 h/day | 13.7 h | 63% | 77% |
| July | 87° | 81° | 17 | 2.5 in | 12.2 h/day | 13.5 h | 55% | 72% |
| August | 87° | 81° | 18 | 3.4 in | 11.6 h/day | 13.0 h | 59% | 73% |
| September | 86° | 80° | 18 | 3.7 in | 11.0 h/day | 12.3 h | 59% | 74% |
| October | 83° | 78° | 19 | 5.1 in | 9.9 h/day | 11.5 h | 60% | 74% |
| November | 81° | 75° | 11 | 2.2 in | 9.5 h/day | 10.9 h | 37% | 72% |
| December | 78° | 72° | 10 | 2.0 in | 8.9 h/day | 10.6 h | 33% | 73% |
How Nassau compares for rain and warmth
- Nassau sits close to the middle of our dataset on most measures: 79°F (26°C) as an annual average, 32.7 inches (831 mm) of precipitation and 10.6 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather Nassau
March through May
Through March through May, Nassau is pleasantly warm: 80°F (27°C) by day, 74°F (23°C) after dark, and rain falls on around 36 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
June through August
June through August is hot here - highs near 86°F (30°C), nights near 80°F (27°C), and rain falls on around 55 of the 90 days. Daylight is generous - around 11.7 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
September through November
September through November brings hot afternoons here - highs near 83°F (29°C), nights near 78°F (25°C), and rain falls on around 47 of the 90 days. Daylight is generous - around 10.1 hours of sun a day.
December through February
Through December through February, Nassau settles into easy warmth: 77°F (25°C) by day, 71°F (22°C) after dark, and rain falls on around 30 of the 90 days.
Questions about heat and rain in Nassau
How long does summer last in Nassau?
Is Nassau hot in summer?
How much do temperatures drop at night in Nassau?
Is Nassau humid?
Nassau temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.