Dominica

Dominica Weather in July

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

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Roseau Portsmouth Calibishie Marigot

Are you planning a trip a to Dominica in July and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Dominica in July

July in Dominica generally has warm temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 26°C (79°F) in Roseau.

For specific regional insights in Dominica, refer to the map provided below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Portsmouth with an average of 97 mm (3.8 in) to high rainfall in Castle Bruce with 121 mm (4.8 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in July. Roseau typically receives 231 hours of sunlight, making it 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 July

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 July for some of the most popular destinations in Dominica?

Temperature range in Dominica (July)

Precipitation variation in Dominica (July)

Roseau

In July Roseau generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are very good that month.

« June
July
August »
June
July
August
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
228 hours
231 hours
240 hours
Monthly rainfall
75 mm (3 in)
105 mm (4.1 in)
126 mm (5 in)
Monthly rainy days
19 days
21 days
21 days
Weather conditions
excellent
very good
very good
Climate in Roseau →

Portsmouth

In July Portsmouth generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
228 hours
231 hours
240 hours
Monthly rainfall
70 mm (2.8 in)
97 mm (3.8 in)
117 mm (4.6 in)
Monthly rainy days
18 days
20 days
20 days
Weather conditions
excellent
excellent
very good
Climate in Portsmouth →

Calibishie

In July Calibishie generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are very good that month.

« June
July
August »
June
July
August
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
228 hours
231 hours
240 hours
Monthly rainfall
81 mm (3.2 in)
110 mm (4.3 in)
128 mm (5 in)
Monthly rainy days
18 days
20 days
20 days
Weather conditions
excellent
very good
very good
Climate in Calibishie →

Marigot

In July Marigot generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are very good that month.

« June
July
August »
June
July
August
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
228 hours
231 hours
240 hours
Monthly rainfall
85 mm (3.3 in)
114 mm (4.5 in)
133 mm (5.2 in)
Monthly rainy days
18 days
20 days
20 days
Weather conditions
excellent
very good
very good
Climate in Marigot →

Pont Cassé

In July Pont Cassé generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are very good that month.

« June
July
August »
June
July
August
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
228 hours
231 hours
240 hours
Monthly rainfall
81 mm (3.2 in)
111 mm (4.4 in)
131 mm (5.2 in)
Monthly rainy days
19 days
21 days
21 days
Weather conditions
excellent
very good
very good
Climate in Pont Cassé →

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

In our records: Dominica July extremes

Notable July 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 warmest July day in Dominica reached 39°C (102°F) in Roseau on July 29, 2015.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Roseau 29°C (84°F) 26°C (79°F) 105 mm (4.1 in)
Portsmouth 29°C (84°F) 26°C (79°F) 97 mm (3.8 in)
Calibishie 29°C (84°F) 26°C (79°F) 110 mm (4.3 in)
Marigot 29°C (84°F) 26°C (79°F) 114 mm (4.5 in)
Pont Cassé 29°C (84°F) 26°C (79°F) 111 mm (4.4 in)
Castle Bruce 28°C (82°F) 25°C (77°F) 121 mm (4.8 in)

Dominica weather in July: frequently asked questions

What is the weather like in Dominica in July?

Expect very good weather across Dominica in July. The popular destination of Roseau averages 29°C (84°F) by day and 26°C (79°F) at night during this month.

What is the average temperature in Dominica in July?

Average temperatures in Dominica during July range from a nighttime low near 26°C (79°F) to a daytime high around 29°C (84°F) in Roseau.

Does Dominica get a lot of rain in July?

Dominica sees substantial rainfall in July. Roseau typically averages about 105 mm (4.1 in), a mix of wet and dry days, but bring an umbrella.

Is July a Good Time to Visit Dominica?

In our view, July might not be the best time to travel to Dominica with often very good weather in Roseau.

Generally speaking, January, February, March, April, May, June and December provide excellent 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.