Climate Overview
The climate in Charles R Johnson Airport is warm and mild. The average annual temperature is 24°C and approximately 671mm of precipitation falls per year. September is the wettest month, receiving around 93mm of rainfall. Charles R Johnson Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 12°C.
Temperature
Temperatures in Charles R Johnson Airport vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 34°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 12°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Charles R Johnson Airport is a relatively dry area, receiving approximately 671mm of precipitation annually, which averages out to around 56mm per month. The wettest month is September, averaging 93mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 22mm. That's 72mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Charles R Johnson Airport is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.
Seasons
92 days until Summer
It is currently spring in Charles R Johnson Airport, which began on March 20, 2026. Charles R Johnson Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 34°C, while the coldest stretch bottoms out in January near 12°C. Summer is next, beginning on June 21, 2026 — 92 days from now.
Spring
Temperatures range from 18 to 31°C. Precipitation is moderate at around 181mm for the season, averaging 60mm per month. Winds are strong, averaging 28km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 34°C. Precipitation is moderate at around 201mm for the season, averaging 67mm per month. Winds are strong, averaging 25km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 32°C. Precipitation is moderate at around 200mm for the season, averaging 67mm per month. Winds are moderate at around 22km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 12 to 23°C. Rainfall is relatively light, with around 90mm over the season and a monthly average of 30mm. Winds are moderate at around 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Charles R Johnson Airport is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 43mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 34°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Charles R Johnson Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.