Bahamas
Nassau weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Nassau?
For a warm holiday, the best week has been 26 April – 2 May (Weather Index 96). Favourable start dates for a 7-day trip run from 25 March to 5 May. July, August and September are warmest (29°C), February is driest and April to August have the most sun.
Hurricane season runs from 1 June to 30 November and is most active from mid-August to mid-October. These averages don’t show storm risk, so check the forecast and your travel cover nearer the time.
- Warmest
- July, August and September 29°C
- Coolest
- January, February and March 24°C
- Driest
- February 16% rain-day chance
- Wettest
- September 56% rain-day chance
- Sunniest
- April to August 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Nassau
Nassau historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 23.5 | 22.0 | 27.1 | 8.4 | 48.0 | 9.5 |
| February | 23.8 | 22.5 | 16.4 | 4.6 | 31.7 | 10.4 |
| March | 23.9 | 22.5 | 18.1 | 5.6 | 34.2 | 10.9 |
| April | 24.9 | 23.6 | 25.0 | 7.5 | 44.3 | 11.7 |
| May | 26.3 | 25.0 | 34.8 | 10.8 | 106.6 | 11.6 |
| June | 27.9 | 26.4 | 51.7 | 15.5 | 104.7 | 11.6 |
| July | 28.8 | 27.2 | 50.6 | 15.7 | 90.2 | 12.2 |
| August | 29.0 | 27.4 | 52.9 | 16.4 | 112.0 | 11.7 |
| September | 28.7 | 27.0 | 55.7 | 16.7 | 145.0 | 10.8 |
| October | 27.6 | 26.0 | 53.5 | 16.6 | 144.3 | 10.1 |
| November | 25.8 | 24.6 | 25.3 | 7.6 | 62.4 | 9.7 |
| December | 24.5 | 23.3 | 26.8 | 8.3 | 46.2 | 9.2 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.