Climate and Weather of Union Island, Saint Vincent and the Grenadines

By | September 25, 2022

The climate of Union Island

According to citypopulationreview, Union Island is an island that is part of the Grenadines, which in turn are part of the country of Saint Vincent and the Grenadines. It is one of the southernmost islands of Saint Vincent and the Grenadines and is only fifty kilometers from Grenada. Like the rest of the islands, Union Island used to be in the hands of the French and the English. Today it is a popular tourist destination in Saint Vincent and the Grenadines, not least because the island has its own airport. The largest town on the island is Clifton and the only other town on the island is Ashton. The majority of the island’s 3,000 residents live in one of these two places and work in the tourism industry.

According to bridgat, Union Island has a tropical climate with two wet seasons, a wet period and a particularly wet period. The least chance of long-term precipitation is from mid-December to April. These months are still very wet relatively speaking, but the showers are heavy, so they usually don’t last too long. It does make Union Island a particularly green island. The average daytime temperature is just below thirty degrees Celsius throughout the year. In the fall you have a chance of tropical storms and hurricanes.

Climate figures

The figures below are based on long-term average climate statistics. The temperatures are displayed in degrees Celsius (°C).

maximum temperature minimum temperature hours of sunshine per day days of rainfall per month amount of precipitation per month water temperature
January 27℃ 21℃ 8 16 27℃
February 27℃ 21℃ 8 12 26℃
March 28℃ 21℃ 8 12 27℃
April 29℃ 22℃ 8 10 27℃
May 30℃ 23℃ 8 14 28℃
June 29℃ 23℃ 7 18 28℃
July 29℃ 23℃ 8 21 28℃
August 29℃ 23℃ 8 20 28℃
September 29℃ 23℃ 7 21 29℃
October 29℃ 23℃ 7 18 29℃
November 29℃ 22℃ 8 20 28℃
December 28℃ 21℃ 8 18 28℃

The weather in Union Island

Here you will find the weather forecast for Union Island. View the current weather in Union Island and the forecast for the coming days, such as temperatures, the chance of precipitation, the wind direction and the wind strength. With this weather data you can see what weather you can expect in Union Island. Based on the climate statistics, we describe the weather per month in Union Island. This is not a long-term forecast, but gives the average weather forecast for all months of the year. Do you want to see the detailed weather forecast for Union Island? On the page with extra weather information we show the chance of snow, the wind chill, visibility, UV strength, air pressure and more good weather information.

An average weather picture per month can be compiled on the basis of long-term climate statistics, certain weather patterns and specific events.

The weather in January

In the month of January, the average maximum temperature in Union Island is around 27 degrees Celsius. The average minimum temperature in January is 21 degrees. The number of hours that the sun is visible in January at this destination is around 8 hours per day. Within the whole month there is precipitation for about 16 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in February

In the month of February, the average maximum temperature in Union Island is around 27 degrees Celsius. The average minimum temperature in February is 21 degrees. The number of hours that the sun is visible in February at this destination is around 8 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.

The weather in March

In the month of March, the average maximum temperature in Union Island is around 28 degrees Celsius. The average minimum temperature in March is 21 degrees. The number of hours that the sun is visible in March at this destination is around 8 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in April

In the month of April, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in April is 22 degrees. The number of hours that the sun is visible in April at this destination is around 8 hours per day. Within the whole month there is precipitation for about 10 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in May

In the month of May, the average maximum temperature in Union Island is around 30 degrees Celsius. The average minimum temperature in May is 23 degrees. The number of hours that the sun is visible in May in this destination is around 8 hours per day. Within the whole month there is precipitation for about 14 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in June

In the month of June, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in June is 23 degrees. The number of hours that the sun is visible in June at this destination is around 7 hours per day. Within the whole month there is precipitation for about 18 days. If you look at the long-term averages, this makes for a wet month.

The weather in July

In the month of July, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in July is 23 degrees. The number of hours that the sun is visible in July at this destination is around 8 hours per day. Within the whole month there is precipitation for about 21 days. If you look at the long-term averages, this makes for a wet month.

The weather in August

In the month of August, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in August is 23 degrees. The number of hours that the sun is visible in August in this destination is around 8 hours per day. Within the whole month there is precipitation for about 20 days. If you look at the long-term averages, this makes for a wet month.

The weather in September

In the month of September, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in September is 23 degrees. The number of hours that the sun is visible in September at this destination is around 7 hours per day. Within the whole month there is precipitation for about 21 days. If you look at the long-term averages, this makes for a wet month.

The weather in October

In the month of October, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in October is 23 degrees. The number of hours that the sun is visible in October at this destination is around 7 hours per day. Within the whole month there is precipitation for about 18 days. If you look at the long-term averages, this makes for a wet month.

The weather in November

In the month of November, the average maximum temperature in Union Island is around 29 degrees Celsius. The average minimum temperature in November is 22 degrees. The number of hours that the sun is visible in November at this destination is around 8 hours per day. Within the whole month there is precipitation for about 20 days. If you look at the long-term averages, this makes for a wet month.

The weather in December

In the month of December, the average maximum temperature in Union Island is around 28 degrees Celsius. The average minimum temperature in December is 21 degrees. The number of hours that the sun is visible in December in this destination is around 8 hours per day. Within the whole month there is precipitation for about 18 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

Union Island, Saint Vincent and the Grenadines