Questelles, Saint Vincent and the Grenadines experiences average highs of 28°C (82°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Questelles, Saint Vincent and the Grenadines Weather & Climate 2026
Monthly climate averages for Questelles, Saint Vincent and the Grenadines. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jul–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.9/10
Best: January, February, March
UV Index
8
High
Temperature 28°C / 25°C
Feels Like 30°C / 26°C
Rainy Days 15
Rainfall 85 mm
Sunshine 11 h
Humidity 78%
Wind Speed 31 km/h
Dew Point 22°C
Hottest Month
29°C
September
Avg Low26°C
Rain17days
Coldest Month
24°C
February
Avg High26°C
Rain9days
Driest Month
8days
April
Avg High28°C
Avg Low25°C
Windiest Month
33 km/h
June (Gusts 45)
Sea Temperature
27°C – 30°C
Warmest water: September (
30.1°C
)
Worst Time to Visit
Consider avoiding July, August, September, October due to heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:40
Daylight 12.9h
Sunset 18:34
Live conditions—
Questelles on the map · live conditions
Questelles, Saint Vincent and the Grenadines
- Continent
- Americas
- City
- Questelles
- Population
- 1.2K
- Coordinates
- 13.18°, -61.25°
Seasonal Breakdown
Spring
Mar–May
Avg High 27°C
Avg Low 25°C
Rain 9 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 26°C
Rain 19 days/mo
Autumn
Sep–Nov
Avg High 28°C
Avg Low 26°C
Rain 19 days/mo
Winter
Dec–Feb
Avg High 27°C
Avg Low 25°C
Rain 13 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 26°C / 24°C . Feb: 26°C / 24°C . Mar: 27°C / 25°C . Apr: 28°C / 25°C . May: 28°C / 26°C . Jun: 28°C / 26°C . Jul: 28°C / 26°C . Aug: 28°C / 26°C . Sep: 29°C / 26°C . Oct: 28°C / 26°C . Nov: 28°C / 26°C . Dec: 27°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 42 mm. Feb: 26 mm. Mar: 24 mm. Apr: 26 mm. May: 39 mm. Jun: 101 mm. Jul: 125 mm. Aug: 139 mm. Sep: 144 mm. Oct: 161 mm. Nov: 139 mm. Dec: 58 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 74%. Mar: 74%. Apr: 75%. May: 77%. Jun: 79%. Jul: 80%. Aug: 80%. Sep: 79%. Oct: 80%. Nov: 80%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 32 km/h . Feb: 33 km/h . Mar: 31 km/h . Apr: 30 km/h . May: 32 km/h . Jun: 33 km/h . Jul: 32 km/h . Aug: 29 km/h . Sep: 26 km/h . Oct: 28 km/h . Nov: 30 km/h . Dec: 32 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 11h. Apr: 12h. May: 12h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 10h. Dec: 10h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 27°C . Mar: 28°C . Apr: 28°C . May: 28°C . Jun: 29°C . Jul: 29°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 29°C . Dec: 28°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 9. Jun: UV 9. Jul: UV 9. Aug: UV 9. Sep: UV 9. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Sep 2025 · 29°C | Sep · 29°C |
| Coldest month | Feb 2025 · 24°C | Feb · 24°C |
| Wettest month | Oct 2025 · 173 mm | Oct · 161 mm |
| Windiest month | Jun 2025 · 37 km/h | Jun · 33 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Good May
Good June
Fair July
Wet August
Wet September
Fair October
Wet November
Wet December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 24°C | 28°C / 24°C | 15days (42 mm) Wet | 10.5h Excellent | 76% Humid | 7.2 Very High | Excellent | View Details |
| February best | 26°C / 24°C | 27°C / 24°C | 9days (26 mm) Wet | 10.8h Excellent | 74% Muggy | 8.1 Very High | Excellent | View Details |
| March best | 27°C / 25°C | 29°C / 25°C | 9days (24 mm) Wet | 11.2h Excellent | 74% Muggy | 8.9 Very High | Excellent | View Details |
| April | 28°C / 25°C | 30°C / 26°C | 8days (26 mm) Wet | 11.5h Excellent | 75% Muggy | 9 Very High | Good | View Details |
| May | 28°C / 26°C | 31°C / 27°C | 9days (39 mm) Wet | 11.6h Excellent | 77% Humid | 8.8 Very High | Good | View Details |
| June | 28°C / 26°C | 30°C / 27°C | 15days (101 mm) Wet | 11.2h Excellent | 79% Humid | 8.5 Very High | Fair | View Details |
| July | 28°C / 26°C | 31°C / 27°C | 21days (125 mm) Wet | 11.3h Excellent | 80% Humid | 8.5 Very High | Wet | View Details |
| August | 28°C / 26°C | 32°C / 28°C | 21days (139 mm) Wet | 11.1h Excellent | 80% Humid | 8.7 Very High | Wet | View Details |
| September | 29°C / 26°C | 33°C / 29°C | 17days (144 mm) Wet | 10.7h Excellent | 79% Humid | 8.7 Very High | Fair | View Details |
| October | 28°C / 26°C | 32°C / 28°C | 19days (161 mm) Wet | 10.3h Excellent | 80% Humid | 8 Very High | Wet | View Details |
| November | 28°C / 26°C | 30°C / 27°C | 20days (139 mm) Wet | 10.1h Excellent | 80% Humid | 7 High | Wet | View Details |
| December | 27°C / 25°C | 29°C / 26°C | 14days (58 mm) Wet | 10.1h Excellent | 77% Humid | 6.7 High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Questelles are January, February, March, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Questelles, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Questelles is September, with average daytime highs of 29°C (83°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Questelles is February, with average overnight lows of 24°C (76°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Questelles is October, averaging 161mm of precipitation across 19 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Questelles runs through July, August, November, October, with the heaviest rainfall in July. Based on 10-year averages for Questelles.
Questelles receives approximately 130 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Questelles.
The least favorable months to visit Questelles are July, August, September, October, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March instead.
The annual average UV index in Questelles is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Questelles is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Questelles are 31 km/h (19 mph). The windiest month is June with peak winds reaching 33 km/h (21 mph) (gusts up to 45 km/h / 28 mph).
Questelles averages 4 clear-sky days per month with overall cloud cover around 50%. The clearest skies occur in February.
The annual average dew point in Questelles is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Questelles has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Questelles ranges from 26°C (79°F) to 30°C (86°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Questelles, with a climate score of 6.4/10. Consider visiting during January, February, March instead for better conditions.
For June in Questelles, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 28°C (82°F) and 15 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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