When is the best time to go to Roseau
The chart above shows the best time of year to visit Roseau, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Roseau
Roseau weather by month
Please note our recommendations for when to visit Roseau are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -11°C | 19mm | 4.1hrs | 10hrs |
January is a dry month in Roseau and the temperature is generally very cold.
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Roseau and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -12°C (10°F), whilst at night -24°C (-11°F) is normal.
On average January is the driest month of the year in Roseau with around 19mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.1 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -7°C | 14mm | 5.3hrs | 11.3hrs |
February in Roseau is generally dry with the temperature being very cold.
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Roseau and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -8°C (17°F), whilst at night -21°C (-6°F) is normal.
On average February is the 2nd driest month of the year in Roseau with around 14mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.3 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -0°C | 19mm | 6.1hrs | 12.9hrs |
The weather in March in Roseau is characteristically cold and dry.
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Roseau and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (31°F), whilst at night -13°C (9°F) is normal.
On average March is the 3rd driest month of the year in Roseau with around 19mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 36mm | 8.1hrs | 14.8hrs |
Roseau's weather in April is typically cool and reasonably dry in nature.
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
April is in the spring in Roseau and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 10°C (50°F), whilst at night -3°C (27°F) is normal.
On average April is the 4th driest month of the year in Roseau with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 59mm | 9.4hrs | 16.4hrs |
May is a reasonably dry month in Roseau and the temperature is generally mild.
It is perhaps a good month to visit Roseau, with some surprisingly good weather at this time of year.
May is in the spring in Roseau and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 4°C (39°F) is normal.
On average May is the 5th driest month of the year in Roseau with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 91mm | 10hrs | 10hrs |
June is a a little damp month in Roseau and the temperature is generally mild.
It is perhaps a good month to visit Roseau, with some surprisingly good weather at this time of year.
June is in the summer in Roseau and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 9°C (49°F) is normal.
On average June is the 6th driest month of the year in Roseau with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 87mm | 11.1hrs | 11.3hrs |
July in Roseau is generally a little damp with the temperature being warm.
It is perhaps the perfect month to visit Roseau, with some extremely good weather at this time of year.
July is in the summer in Roseau and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 12°C (54°F) is normal.
On average July is the 6th wettest month of the year in Roseau with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.1 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 78mm | 9.7hrs | 12.9hrs |
The weather in August in Roseau is characteristically mild and reasonably dry.
It is perhaps a good month to visit Roseau, with some inordinately good weather at this time of year.
August is in the summer in Roseau and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 10°C (51°F) is normal.
On average August is the 5th wettest month of the year in Roseau with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 65mm | 6.6hrs | 14.8hrs |
Roseau's weather in September is typically mild and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Roseau.
September is in the fall / autumn in Roseau and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 5°C (41°F) is normal.
On average September is the 4th wettest month of the year in Roseau with around 65mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 35mm | 5hrs | 16.4hrs |
October is a reasonably dry month in Roseau and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Roseau.
October is in the fall / autumn in Roseau and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night -1°C (31°F) is normal.
On average October is the 3rd wettest month of the year in Roseau with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -0°C | 21mm | 3.4hrs | 10hrs |
Cold and dry weather often prevails in Roseau during the month of November
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Roseau and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a freezing -0°C (31°F), whilst at night -9°C (15°F) is normal.
On average November is the 2nd wettest month of the year in Roseau with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.4 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -9°C | 18mm | 3.2hrs | 11.3hrs |
December in Roseau is generally dry with the temperature being very cold.
Based on weather alone, this is probably a time of year to avoid going to Roseau for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Roseau and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing -10°C (15°F), whilst at night -20°C (-4°F) is normal.
On average December is the wettest month of the year in Roseau with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.2 hours of sunshine per day.
Other monthly averages
Roseau weather stats
| Hottest month: | July | 25.3°C 77.5°F |
|---|---|---|
| Driest month: | February | 14mm 0.6ins |
| Sunniest month: | July | 11.1hrs |
| Coldest month: | January | -12.6°C 9.3°F |
| Wettest month: | June | 91mm 3.6ins |
| Warmest sea: | August | 15.2°C 59.4°F |
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