AntiguaPhoto: Frank Seiplax · CC BY-SA 3.0Antigua and Barbuda · North America
Best time to visit Antigua
Antigua is warm all year with a steady trade wind. The sea is always warm. Antigua: the driest month in the dataset is February, with around 5 typical rainy days.
Climate decision
Best travel months for Antigua
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Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
September · Wet days
16.4 days/month
1991–2025: 21.4 days/month
-5 days/month · lower
December · Monthly precipitation
43.6 mm/month
1991–2025: 69.2 mm/month
-25.5 mm/month · lower
September · Mean daily maximum
29.8 °C
1991–2025: 28.9 °C
+0.9 °C · higher
September · Sea temperature
29.6 °C
1991–2025: 28.9 °C
+0.7 °C · higher
September: 51/150 days at or above 30 °C; highest single value 31.1 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Antigua: rainfall separates the travel months
The driest and wettest months are 11.7 rainy days apart. Average daily highs vary by 2.7 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine, sea temperature and the activity you have in mind.
Fewest rainy days
March · 10
Most rainy days
August · 21.7
Most sunshine
April · 8.3 h
Warmest sea
September · 28.9 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 26 | 25 | 12 | 43 | 6.1 | 76 | 6.3 | 27 | 78 |
| February | 26 | 25 | 10 | 38 | 7.0 | 75 | 6.2 | 26 | 84 |
| March | 26 | 25 | 10 | 34 | 7.9 | 75 | 5.8 | 26 | 84 |
| April | 27 | 26 | 12 | 51 | 8.3 | 76 | 5.6 | 27 | 79 |
| May | 28 | 27 | 16 | 87 | 8.0 | 78 | 5.7 | 27 | 68 |
| June | 28 | 27 | 17 | 85 | 7.9 | 78 | 6.3 | 28 | 66 |
| July | 28 | 27 | 19 | 102 | 8.0 | 79 | 6.5 | 28 | 62 |
| August | 29 | 28 | 22 | 120 | 8.0 | 79 | 5.8 | 29 | 59 |
| September | 29 | 28 | 21 | 142 | 7.4 | 79 | 5.0 | 29 | 58 |
| October | 29 | 28 | 20 | 159 | 6.7 | 79 | 4.9 | 29 | 60 |
| November | 28 | 27 | 17 | 125 | 6.0 | 78 | 5.4 | 28 | 65 |
| December | 27 | 26 | 15 | 69 | 5.7 | 76 | 6.0 | 27 | 71 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Antigua
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The number is the overall climate score, not a similarity score.
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Frequently asked questions
When is the best time to visit Antigua?
The strongest climate months are January, February, March, April. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Antigua?
Average daily maximum temperatures in Antigua are practically tied in August, September and October at around 29 °C.
When is the sea warmest at Antigua?
In September, at around 29 °C.