Climate and monthly weather forecast
Cheltenham, Saint Vincent and the Grenadines

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The climate of Cheltenham

Based on the Köppen climate classification, Cheltenham, Saint Vincent and the Grenadines has a tropical climate. Due to its geographical position closer to the equator, it experiences extended daylight hours throughout the year ranging from 11.4 hours in December to the maximum of 12.9 hours in June.

Temperature levels remain fairly constant during the year with the annual span varying only from 25.8°C (78.4°F) to 28.8°C (83.8°F). A fractional decline occurs usually in February and March, followed by a gradual rise peaking in September. The highest temperatures are documented in September, and the lowest are registered in February and March.

Humidity levels display little variation, remaining in the upper half of spectrum between 75% to 78%. March experiences the highest levels of humidity and July sees the lowest. Rainfall distribution is uneven across the months, taking a dip between February and May then rising from June to November, the heightened levels are due to the tropical storm season. Expect up to 94mm (3.7") of rainfall in August and a mere 23mm (0.91") in February.

The amount of sunshine hours varies from 6.4 hours in December to 10.1 hours in August. Visibility throughout the year is quite good and remains constant at 10km (6.2mi). Cloud cover ranges between 37% and 46%, the latter usually occurring in the storm season. Winds can be quite breezy ranging from 20.6km/h (12.8mph) to 29.3km/h (18.2mph).

The best time to visit Cheltenham

Consider planning your visit to Cheltenham between February and May. During these months, the weather is typically drier, with rainfall registered between 23mm (0.91") to 32mm (1.26"). The temperatures during this time are generally on the lower side varying from 25.7°C (78.3°F) to 27.3°C (81.1°F), which is most comfortable for outdoor activities. The daylight hours also start to increase, averaging around 12 hours per day.

The worst time to visit Cheltenham

Traveling to Cheltenham between June and November might not be the best idea. This period marks the tropical storm season, which brings along heavier rainfall, ranging from 53mm (2.09") to 94mm (3.7"), and increased cloud cover. Despite the increased rainfall, humidity levels remain relatively unchanged from the rest of the year.

Spring weather in Cheltenham

Spring spans from March to May in Cheltenham. The average temperature rises from 26.7°C (80.1°F) in March to 28°C (82.4°F) in May, while the lowest temperature registers between 25.9°C (78.6°F) to 27.1°C (80.8°F). Rainfall levels are on the lower end during this span, ascending slightly from 26mm (1.02") in March to 32mm (1.26") in May. Humidity remains relatively high, around 77%.

Summer weather in Cheltenham

The summer in Cheltenham is quite hot and humid, and extends from June to August. Maximum temperatures hover between 28.3°C (82.9°F) and 28.7°C (83.7°F), while the lowest temperatures range from 27.3°C (81.1°F) to 27.7°C (81.9°F). This is also the period of highest rainfall, with numbers shooting up to an all-time high of 94mm (3.7") in August. Wind speeds remain relatively constant, falling between 26.4km/h (16.4mph) to 28.3km/h (17.6mph).

Autumn weather in Cheltenham

Autumn in Cheltenham brings moderately warm temperatures and increased rainfall. Spanning from September to November, this period sees an all-year high of 28.8°C (83.8°F) in temperature in September and a drop to 27.5°C (81.5°F) in November. Humidity levels remain elevated, averaging around 77%. Rainfall is substantial, particularly in October with 86mm (3.39") recorded.

Winter weather in Cheltenham

In winter, December through February, Cheltenham experiences slightly cooler temperatures, with highs ranging between 26.5°C (79.7°F) to 27.6°C (81.7°F) and lows from 26.2°C (79.2°F) to 26.5°C (79.7°F). Rainfall decreases significantly during this period, dropping down to 26mm (1.02") in January, making it the driest period of the year. Windspeeds pick up a little, reaching a peak of 29.3km/h (18.2mph) in January, adding a slight chill to the air. An average of 6.4 hours of sunshine per day in December makes for the shortest days of the year.

Weather in January

In Cheltenham, January is characterized by mild temperatures and humidity. The daytime temperatures register a cozy 26.9°C (80.4°F) and the evenings dip to a comfortable 25.8°C (78.4°F). Moderate rainfall is also observed, with an average of 26mm (1.02") falling over a span of about 19 days. Weather in January »

Weather in February

February is similar to January in weather patterns, but is slightly drier and windier. The average rainfall decreases marginally to 23mm (0.91"), experienced over approximately 15 days. Despite these wet days, Cheltenham enjoys 8.6 hours of daily sunshine in February, which is slightly higher than the previous month. Weather in February »

Weather in March

As Cheltenham transitions into March, the weather remains consistent in terms of temperature and humidity but sees an uptick in rainfall. A total precipitation of 26mm (1.02") marks March as moderately wetter than February. Despite this increase in rainfall, the sunshine hours hold steady at approximately 8.5 hours per day providing residents with bright and sunny days. Weather in March »

Weather in April

The onset of April brings noticeable changes to Cheltenham’s weather. Increased rainfall to the tune of 32mm (1.26") over about 18 days and escalating temperatures set the pace for what is to come in the following months. The sun continues to shine brighter with an amplified average of 9.8 daily sunshine hours. Weather in April »

Weather in May

May witnesses warmer temperatures as it progresses into peak summer season, but also brings in a heavier downpour, with an average rainfall of 29mm (1.14"), marking the start of the region's wet season. Despite this increase in rainfall, the average daylight and sunshine hours increase as well, allowing for longer stretches of visible and sunny skies. Weather in May »

Weather in June

June sees temperatures hovering consistently above the 27°C (80.6°F) mark while rainfall also considerably increases to 53mm (2.09"). The increase in precipitation coupled with humidity levels of 78% signifies the peak of the rainy season. Weather in June »

Weather in July

July is notable for experiencing the most significant precipitation of the year, with an average rainfall of 74mm (2.91"). The temperature remains largely consistent with that of June, providing a stable weather environment. Despite the increased rainfall, sunshine prevails for approximately 9.7 hours daily. Weather in July »

Weather in August

August continues the trend of high rainfall, experiencing 94mm (3.7") of precipitation, higher than any other month. This, along with sustained warm temperatures rounds out the last phase of the rainy season. However, a decrease in wind speed to 23.3km/h (14.5mph) ignites a stuffier atmosphere. Weather in August »

Weather in September

September witnesses a slow decline in rainfall with approximately 81mm (3.19") of precipitation. The weather remains similar to August's with daytime temperatures peaking at around 28.8°C (83.8°F), the highest in the year. A decline to 20.6km/h (12.8mph) in wind speed also marks September as the least windy month of the entire year. Weather in September »

Weather in October

October brings a considerable decrease in rainfall to 86mm (3.39"), signifying the end of the rainy season. Temperatures remain pleasant, with a slight dip seen in the evenings. Reduced daily sunlight hours characterize the transition into the darker half of the year. Weather in October »

Weather in November

November sees Cheltenham shedding its summer warmth and experiencing cooler evenings, with nighttime temperatures falling to 27.5°C (81.5°F). A further decrease in rainfall, registering at 64mm (2.52"), indicates the transition into the drier season. Weather in November »

Weather in December

Cheltenham wraps up the year with December experiencing the lowest rainfall of 39mm (1.54"), signifying the onset of the dry season. The drop in temperatures and brief sunlight hours mirror the worldwide winter dynamics, creating a mild and comfortable climate. Weather in December »
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How many days does it rain in Cheltenham?

In Cheltenham, during the entire year, the rain falls for 238.6 days and collects up to 627mm (24.69") of precipitation.

What are the months with the highest UV index in Cheltenham?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Cheltenham, Saint Vincent and the Grenadines.

When is the lowest UV index in Cheltenham?

The months with the lowest UV index in Cheltenham, Saint Vincent and the Grenadines, are January through December, with an average maximum UV index of 7.

What time of the year is the coldest in Cheltenham?

February stands out as Cheltenham's coldest month, with an average high-temperature of 26.5°C (79.7°F) and a low-temperature of 25.7°C (78.3°F).

What is the least humid month in Cheltenham?

The least humid month in Cheltenham is February, with an average relative humidity of 75%.

What is the driest month in Cheltenham?

February is the month with the least rainfall. Rain falls for 14.8 days and accumulates 23mm (0.91") of precipitation.

What are the most humid months in Cheltenham?

The months with the highest humidity are May through July, with an average relative humidity of 78%.

When are the longest days in Cheltenham?

The month with the longest days in Cheltenham is June, with an average of 12h and 54min of daylight.

What is the rainiest month in Cheltenham?

The month with the most rainfall in Cheltenham, Saint Vincent and the Grenadines, is August, when the rain falls for 24.3 days and typically aggregates up to 94mm (3.7") of precipitation.

What month has the most sunshine in Cheltenham?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

What is the warmest month in Cheltenham?

September is the warmest month of the year in Cheltenham, registering average temperatures as high as 28.8°C (83.8°F) and as low as 28°C (82.4°F).

What is the month with the shortest days in Cheltenham?

The month with the shortest days in Cheltenham is December, with an average of 11h and 24min of daylight.

Is there Daylight Saving Time (DST) in Cheltenham?

Cheltenham, Saint Vincent and the Grenadines, does not utilize Daylight Saving Time (DST). AST timezone is used over the entire year.

What is the month with the least sunshine in Cheltenham?

With an average of 6.4h of sunshine, December has the least sunshine of the year.

Average temperature
Cheltenham, Saint Vincent and the Grenadines

Average temperature - Cheltenham, Saint Vincent and the Grenadines

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure
Cheltenham, Saint Vincent and the Grenadines

Average pressure - Cheltenham, Saint Vincent and the Grenadines

The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed
Cheltenham, Saint Vincent and the Grenadines

Average wind speed - Cheltenham, Saint Vincent and the Grenadines

The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).

Average humidity
Cheltenham, Saint Vincent and the Grenadines

Average humidity - Cheltenham, Saint Vincent and the Grenadines

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall
Cheltenham, Saint Vincent and the Grenadines

Average rainfall - Cheltenham, Saint Vincent and the Grenadines

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days
Cheltenham, Saint Vincent and the Grenadines

Average rainfall days - Cheltenham, Saint Vincent and the Grenadines

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).

Average daylight / Average sunshine
Cheltenham, Saint Vincent and the Grenadines

Average daylight / Average sunshine - Cheltenham, Saint Vincent and the Grenadines

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days
Cheltenham, Saint Vincent and the Grenadines

Average sunshine days - Cheltenham, Saint Vincent and the Grenadines

The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).

Average UV index
Cheltenham, Saint Vincent and the Grenadines

Average UV index - Cheltenham, Saint Vincent and the Grenadines

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover
Cheltenham, Saint Vincent and the Grenadines

Average cloud cover - Cheltenham, Saint Vincent and the Grenadines

The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility
Cheltenham, Saint Vincent and the Grenadines

Average visibility - Cheltenham, Saint Vincent and the Grenadines

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Cheltenham, Saint Vincent and the Grenadines

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