Stuart, United States experiences average highs of 27°C (81°F) and lows of 22°C (72°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Stuart, United States Weather & Climate 2026
Monthly climate averages for Stuart, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.8/10
Best: February, March, April, November, December
UV Index
7
High
Temperature 27°C / 22°C
Feels Like 30°C / 23°C
Rainy Days 13
Rainfall 94 mm
Sunshine 10 h
Humidity 75%
Wind Speed 21 km/h
Dew Point 20°C
Hottest Month
31°C
July
Avg Low26°C
Rain20days
Coldest Month
16°C
January
Avg High23°C
Rain8days
Driest Month
6days
February
Avg High25°C
Avg Low19°C
Windiest Month
24 km/h
January (Gusts 40)
Sea Temperature
22°C – 30°C
Warmest water: August (
30.2°C
)
Worst Time to Visit
Consider avoiding July, August, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:27
Daylight 13.8h
Sunset 20:18
Live conditions—
Stuart on the map · live conditions
Stuart, United States
- Continent
- Americas
- Country
- United States
- City
- Stuart
- Population
- 16.5K
- Elevation
- 3 m
- Coordinates
- 27.20°, -80.25°
Seasonal Breakdown
Spring
Mar–May
Avg High 27°C
Avg Low 21°C
Rain 9 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 25°C
Rain 20 days/mo
Autumn
Sep–Nov
Avg High 28°C
Avg Low 23°C
Rain 16 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 24°C
Avg Low 18°C
Rain 7 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: 23°C / 16°C . Feb: 25°C / 19°C . Mar: 26°C / 19°C . Apr: 27°C / 21°C . May: 29°C / 23°C . Jun: 30°C / 25°C . Jul: 31°C / 26°C . Aug: 31°C / 26°C . Sep: 30°C / 25°C . Oct: 28°C / 24°C . Nov: 26°C / 21°C . Dec: 24°C / 19°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 49 mm. Feb: 41 mm. Mar: 43 mm. Apr: 61 mm. May: 104 mm. Jun: 157 mm. Jul: 115 mm. Aug: 143 mm. Sep: 173 mm. Oct: 128 mm. Nov: 71 mm. Dec: 45 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 71%. Feb: 73%. Mar: 67%. Apr: 68%. May: 73%. Jun: 80%. Jul: 80%. Aug: 81%. Sep: 82%. Oct: 77%. Nov: 74%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 22 km/h . Mar: 23 km/h . Apr: 23 km/h . May: 22 km/h . Jun: 19 km/h . Jul: 18 km/h . Aug: 19 km/h . Sep: 19 km/h . Oct: 23 km/h . Nov: 22 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 10h. Mar: 10h. Apr: 11h. May: 11h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 10h. Oct: 9h. Nov: 9h. Dec: 8h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 22°C . Feb: 23°C . Mar: 24°C . Apr: 25°C . May: 27°C . Jun: 29°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 27°C . Nov: 26°C . Dec: 23°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 5. Feb: UV 6. Mar: UV 7. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 8. Aug: UV 8. Sep: UV 8. Oct: UV 6. Nov: UV 5. Dec: UV 4.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall is trending drier by about 16 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 32°C | Jul · 31°C |
| Coldest month | Jan 2025 · 15°C | Jan · 16°C |
| Wettest month | Sep 2025 · 244 mm | Sep · 173 mm |
| Windiest month | Jan 2025 · 24 km/h | Jan · 24 km/h |
Month-by-Month Weather Table
January
Excellent 
February best
Excellent March best
Excellent April best
Excellent May
Good June
Wet July
Wet August
Wet September
Wet October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 23°C / 16°C | 22°C / 15°C | 8days (49 mm) Wet | 8.2h Good | 71% Muggy | 4.5 Moderate | Excellent | View Details |
| February best | 25°C / 19°C | 25°C / 18°C | 6days (41 mm) Good | 9.6h Good | 73% Muggy | 5.8 High | Excellent | View Details |
| March best | 26°C / 19°C | 26°C / 19°C | 7days (43 mm) Good | 10.3h Excellent | 67% Muggy | 7.2 Very High | Excellent | View Details |
| April best | 27°C / 21°C | 29°C / 21°C | 8days (61 mm) Wet | 11.1h Excellent | 68% Muggy | 8.3 Very High | Excellent | View Details |
| May | 29°C / 23°C | 32°C / 25°C | 12days (104 mm) Wet | 11.3h Excellent | 73% Muggy | 8.3 Very High | Good | View Details |
| June | 30°C / 25°C | 35°C / 29°C | 18days (157 mm) Wet | 10.8h Excellent | 80% Humid | 8.5 Very High | Wet | View Details |
| July | 31°C / 26°C | 37°C / 30°C | 20days (115 mm) Wet | 11.3h Excellent | 80% Humid | 8.3 Very High | Wet | View Details |
| August | 31°C / 26°C | 36°C / 30°C | 22days (143 mm) Wet | 10.6h Excellent | 81% Humid | 8.2 Very High | Wet | View Details |
| September | 30°C / 25°C | 35°C / 29°C | 22days (173 mm) Wet | 9.8h Good | 82% Humid | 7.5 Very High | Wet | View Details |
| October | 28°C / 24°C | 30°C / 25°C | 15days (128 mm) Wet | 9.4h Good | 77% Humid | 6.1 High | Good | View Details |
| November best | 26°C / 21°C | 27°C / 21°C | 10days (71 mm) Wet | 8.9h Good | 74% Muggy | 5 Moderate | Excellent | View Details |
| December best | 24°C / 19°C | 24°C / 18°C | 8days (45 mm) Wet | 8.4h Good | 74% Muggy | 4.2 Moderate | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Stuart are February, March, April, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Stuart, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Stuart is July, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Stuart is January, with average overnight lows of 16°C (62°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Stuart is September, averaging 173mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Stuart runs through August, September, July, June, with the heaviest rainfall in August. Based on 10-year averages for Stuart.
Stuart receives approximately 120 sunshine hours per year. The sunniest month is May with around 11 hours. Based on climate data for Stuart.
The least favorable months to visit Stuart are July, August, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider February, March, April, November, December instead.
The annual average UV index in Stuart is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Stuart is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in February, March, April, May, June, July, August, September, October, November, December average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Stuart are 21 km/h (13 mph). The windiest month is January with peak winds reaching 24 km/h (15 mph) (gusts up to 40 km/h / 25 mph).
Stuart averages 3 clear-sky days per month with overall cloud cover around 57%. The clearest skies occur in March.
The annual average dew point in Stuart is 20°C (68°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Stuart 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 Stuart ranges from 23°C (73°F) to 30°C (86°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Stuart, with a climate score of 4.4/10. Consider visiting during February, March, April, November, December instead for better conditions.
For June in Stuart, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 30°C (86°F) and 18 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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