The best times to visit Charlestown for ideal weather are

January 1st to December 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Charlestown Travel Info

Weather in Charlestown

Temperature

Average temperatures in Charlestown vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 34th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Charlestown, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally early to mid June where highs are regularly around 88.3°F (31.3°C) with temperatures rarely dropping below 81.2°F (27.3°C) at night.

Charlestown Temperatures (Fahrenheit)

Key
High
Average
Low

Charlestown Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Charlestown Perceived Temperature (F)

Key
High
Average
Low

Charlestown Perceived Temperature (C)

Key
High
Average
Low

 

Average Charlestown Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 82.8 79.7 76.1
Feb 82.9 79.7 75.8
Mar 83.3 80.1 75.8
Apr 84.4 81.4 77.2
May 85.8 83 78.9
Jun 87.5 84.6 80.7
Jul 87.5 84.6 80.8
Aug 87.9 85 81
Sep 87.9 84.8 80.4
Oct 87.4 84.1 79.6
Nov 85.8 82.8 78.8
Dec 83.6 80.5 76.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 28.2 26.5 24.5
Feb 28.3 26.5 24.3
Mar 28.5 26.7 24.3
Apr 29.1 27.4 25.1
May 29.9 28.3 26.1
Jun 30.8 29.2 27.1
Jul 30.8 29.2 27.1
Aug 31.1 29.4 27.2
Sep 31.1 29.3 26.9
Oct 30.8 28.9 26.4
Nov 29.9 28.2 26
Dec 28.7 26.9 24.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Charlestown are May, June, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early November with an average of 1 days of significant precipitation the week of November 5th.

When can you find snow in Charlestown? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Charlestown.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Charlestown (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0.1
Feb 0% 0 0.1
Mar 0% 0 0.1
Apr 0% 0 0.1
May 0% 0 0
Jun 0% 0 0
Jul 0% 0 0
Aug 0% 0 0
Sep 3% 0 0.4
Oct 5% 0 1
Nov 6% 0 0.5
Dec 4% 0 0.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0.3
Feb 0 0 0.3
Mar 0 0 0.3
Apr 0 0 0.3
May 0 0 0
Jun 0 0 0
Jul 0 0 0
Aug 0 0 0
Sep 3 0 1
Oct 5 0 2.5
Nov 6 0 1.3
Dec 4 0 1

 

Humidity and Wind

Charlestown has some humid months, and above average humidity throughout the year. The least humid month is March (62.3% relative humidity), and the most humid month is October (68.7%).

Wind in Charlestown is usually stronger than many places. The windiest month is July, followed by January and February. July’s average wind speed of around 13.4 knots (15.4 MPH or 24.8 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early July where average top sustained speeds reach 17.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Charlestown.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 12.5 Significant breeze 15.6 Significant breeze
Feb 12.4 Significant breeze 15.9 Significant breeze
Mar 11.4 Significant breeze 14.8 Significant breeze
Apr 11.8 Significant breeze 15.1 Significant breeze
May 11 Significant breeze 14.3 Significant breeze
Jun 12.2 Significant breeze 15.5 Significant breeze
Jul 13.4 Significant breeze 16.8 Significant breeze
Aug 12 Significant breeze 15.5 Significant breeze
Sep 9.3 Gentle breeze 13.1 Significant breeze
Oct 9.5 Gentle breeze 13.2 Significant breeze
Nov 10.1 Gentle breeze 13.9 Significant breeze
Dec 11.7 Significant breeze 15.4 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 66.1%
Feb 64.1%
Mar 62.3%
Apr 63.9%
May 68.1%
Jun 65.7%
Jul 67%
Aug 67.9%
Sep 68.6%
Oct 68.7%
Nov 67.2%
Dec 67.7%

 

Is it Safe to Travel to Charlestown?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Saint Kitts and Nevis; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 28, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Charlestown, St Kitts and Nevis is January, followed by February and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Charlestown in August. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 20.9 in August means 20.9% of the tourists vs. January.

 

 

Overall Charlestown Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 86.9°F (30.5°C) and 82.6°F (28.1°C) with warmer temperatures in the later months. Rain is nonexistent with roughly 0 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with about 0 days of precipitation per month. June – August is the second busiest season for tourism in Charlestown, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 88.3°F (31.3°C) and 84.7°F (29.3°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 2 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is perfect this time of year in Charlestown to be enjoyable for warm weather travelers. The average high during this season is between 83.9°F (28.8°C) and 82.6°F (28.1°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelSt Kitts and Nevis › Charlestown, St Kitts and Nevis