Climate Insights for Yallahs

Yallahs, Saint Thomas, Jamaica

Hottest
September
29°C peak
Coldest
February
25°C low
Wettest
October
172mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Yallahs is hot. The average annual temperature is 27°C and approximately 993mm of precipitation falls per year. October is the wettest month, receiving around 172mm of rainfall. Yallahs is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are February, March, January, when temperatures can drop to 25°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 26° Average: 26° Min: 25° Feb Max: 26° Average: 25° Min: 25° Mar Max: 26° Average: 25° Min: 25° Apr Max: 26° Average: 26° Min: 25° May Max: 27° Average: 26° Min: 26° Jun Max: 28° Average: 27° Min: 26° Jul Max: 28° Average: 28° Min: 27° Aug Max: 28° Average: 28° Min: 27° Sep Max: 29° Average: 28° Min: 27° Oct Max: 28° Average: 27° Min: 26° Nov Max: 27° Average: 27° Min: 26° Dec Max: 27° Average: 26° Min: 26°
Max
Average
Min

Yallahs has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 25°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 30mm Feb Precipitation: 28mm Mar Precipitation: 27mm Apr Precipitation: 41mm May Precipitation: 111mm Jun Precipitation: 84mm Jul Precipitation: 74mm Aug Precipitation: 113mm Sep Precipitation: 95mm Oct Precipitation: 172mm Nov Precipitation: 164mm Dec Precipitation: 55mm
Precipitation

Yallahs is a moderately rainy area, receiving approximately 993mm of precipitation annually, which averages out to around 83mm per month. The wettest month is October, averaging 172mm of rainfall. November and August also tend to see above-average precipitation. The driest month is March, with just 27mm. That's 145mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 27km/h Feb Wind Speed: 28km/h Mar Wind Speed: 27km/h Apr Wind Speed: 25km/h May Wind Speed: 27km/h Jun Wind Speed: 30km/h Jul Wind Speed: 30km/h Aug Wind Speed: 27km/h Sep Wind Speed: 22km/h Oct Wind Speed: 23km/h Nov Wind Speed: 25km/h Dec Wind Speed: 28km/h
Wind Speed

Yallahs is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Yallahs, which began on March 20, 2026. Yallahs 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 September at around 29°C, while the coldest stretch bottoms out in February near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 25 to 27°C. Precipitation is moderate at around 178mm for the season, averaging 59mm per month. Winds are strong, averaging 26km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 26 to 28°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Winds are strong, averaging 29km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 431mm across the season with a monthly average of 144mm. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 27°C. Rainfall is relatively light, with around 113mm over the season and a monthly average of 38mm. Winds are strong, averaging 28km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Yallahs 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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
25 °C
26 °C
27 km/h
30 mm
0 cm
Feb
25 °C
26 °C
28 km/h
28 mm
0 cm
Mar Current
25 °C
26 °C
27 km/h
27 mm
0 cm
Apr
25 °C
26 °C
25 km/h
41 mm
0 cm
May
26 °C
27 °C
27 km/h
111 mm
0 cm
Jun
26 °C
28 °C
30 km/h
84 mm
0 cm
Jul
27 °C
28 °C
30 km/h
74 mm
0 cm
Aug
27 °C
28 °C
27 km/h
113 mm
0 cm
Sep
27 °C
29 °C
22 km/h
95 mm
0 cm
Oct
26 °C
28 °C
23 km/h
172 mm
0 cm
Nov
26 °C
27 °C
25 km/h
164 mm
0 cm
Dec
26 °C
27 °C
28 km/h
55 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)