Dominica

Dominica Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Dominica in January.

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Roseau Portsmouth Calibishie Marigot

Planning a trip to Dominica this January? Here's what you need to know about the weather:

What to Expect in Dominica in January

January in Dominica generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 27°C (81°F) and nighttime temperatures around 24°C (75°F) in Roseau.

To explore the conditions in Dominica in more detail, check the map below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Portsmouth with an average of 49 mm (1.9 in) to moderate rainfall in Castle Bruce with 70 mm (2.8 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Roseau enjoys approximately 199 hours of sunlight, ideal for those seeking sunny weather.

Explore Dominica by month

Pick a month to see the average temperature, rainfall and sunshine in Dominica — and find the best time to visit. (based on Roseau)

January27°C (81°F) February27°C (81°F) March27°C (81°F) April27°C (81°F) May28°C (82°F) June28°C (82°F) This monthJuly29°C (84°F) August29°C (84°F) September29°C (84°F) October29°C (84°F) November28°C (82°F) December28°C (82°F)
Best Time to Visit Dominica →

Best Places to Visit in Dominica in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Dominica.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Dominica

What is the weather like in January for some of the most popular destinations in Dominica?

Temperature range in Dominica (January)

Precipitation variation in Dominica (January)

Roseau

In January Roseau generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
28°C (82°F)
27°C (81°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
190 hours
199 hours
201 hours
Monthly rainfall
74 mm (2.9 in)
56 mm (2.2 in)
41 mm (1.6 in)
Monthly rainy days
19 days
18 days
14 days
Weather conditions
perfect
perfect
perfect
Climate in Roseau →

Portsmouth

In January Portsmouth generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
28°C (82°F)
27°C (81°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
190 hours
199 hours
201 hours
Monthly rainfall
67 mm (2.6 in)
49 mm (1.9 in)
36 mm (1.4 in)
Monthly rainy days
19 days
18 days
14 days
Weather conditions
perfect
perfect
perfect
Climate in Portsmouth →

Calibishie

In January Calibishie generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
28°C (82°F)
27°C (81°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
190 hours
199 hours
201 hours
Monthly rainfall
79 mm (3.1 in)
60 mm (2.4 in)
43 mm (1.7 in)
Monthly rainy days
18 days
18 days
14 days
Weather conditions
perfect
perfect
perfect
Climate in Calibishie →

Marigot

In January Marigot generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
190 hours
199 hours
201 hours
Monthly rainfall
84 mm (3.3 in)
64 mm (2.5 in)
46 mm (1.8 in)
Monthly rainy days
18 days
18 days
14 days
Weather conditions
perfect
perfect
perfect
Climate in Marigot →

Pont Cassé

In January Pont Cassé generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
190 hours
199 hours
201 hours
Monthly rainfall
80 mm (3.1 in)
61 mm (2.4 in)
44 mm (1.7 in)
Monthly rainy days
19 days
18 days
14 days
Weather conditions
perfect
perfect
perfect
Climate in Pont Cassé →

Is your destination not in the list? Have a look at all destinations in Dominica.

In our records: Dominica January extremes

Notable January records observed across cities in Dominica in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Dominica was 23°C (73°F) in Calibishie on January 7, 1978.

Popular cities in January

Day & night temperatures, rainfall and average weather in Dominica in January.

City Weather Day temp Night temp Rainfall
Roseau 27°C (81°F) 24°C (75°F) 56 mm (2.2 in)
Portsmouth 27°C (81°F) 24°C (75°F) 49 mm (1.9 in)
Calibishie 27°C (81°F) 24°C (75°F) 60 mm (2.4 in)
Marigot 27°C (81°F) 24°C (75°F) 64 mm (2.5 in)
Pont Cassé 27°C (81°F) 24°C (75°F) 61 mm (2.4 in)
Castle Bruce 27°C (81°F) 24°C (75°F) 70 mm (2.8 in)

Dominica weather in January: frequently asked questions

What is the weather like in Dominica in January?

Dominica typically experiences perfect weather in January, part of the season. Daytime highs in Roseau average around 27°C (81°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in Dominica in January?

Average temperatures in Dominica during January range from a nighttime low near 24°C (75°F) to a daytime high around 27°C (81°F) in Roseau.

Does Dominica get a lot of rain in January?

Not particularly. Roseau averages just 56 mm (2.2 in) of rain in January, making it a mostly dry month for Dominica.

Is January a Good Time to Visit Dominica?

We believe that January is one of the best times to visit Dominica with overall perfect weather in Roseau. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Dominica is in January, February, March, April, May, June and December with generally perfect weather in Roseau.

Interested in more climate information?

We have much more information about the climate in Dominica.

Weather and climate has detailed information for every country in the world. Are you going to Dominica? Get detailed historical weather averages for many cities in Dominica.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.