Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Dominica Average Monthly Weather
Weather score63Good annual avg
Best months: February, April, March
Across the year, average daytime temperatures are around 30°C, sunshine averages 7.3h per day, and rainfall totals about 2116mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
2116mm
Annual total
Sun
7.3h
Sea
28°C
Weather score
63
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 240mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Dominica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is one of Dominica's warmest months, with daytime heat above the yearly average.
Warmest monthsApril to November
This stretch sets the upper range for average daytime heat.
Rain
August240mm average rain
August is wetter than Dominica's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.8 hours average sun
August is brighter than Dominica's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMarch to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August29°C average sea
August sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
August57 weather score
August scores below Dominica's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.