Nassau, Bahamas Climate & Monthly Averages
The climate of 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).
Climate quick facts
- 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%
Temperatures through the year
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.
Rain, sun and snow
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).
How Nassau compares
- 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.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate 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% |
Nassau month by month
Average high and low for each month, with the bar showing where it sits in Nassau's year (left is the coldest night, right is the 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
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in 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.
Climate questions, answered
How long does summer last in Nassau?
Is Nassau hot in summer?
How much do temperatures drop at night in Nassau?
Is Nassau humid?
Best time to visit Nassau
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.
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.
Nassau temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.