Hampton Bays, United States experiences average highs of 15°C (59°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have cooled by 0.6°C (1.1°F) across the available records.
Hampton Bays, United States Weather & Climate 2026
Monthly climate averages for Hampton Bays, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Mar–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.1/10
Best: June, July, August, September
UV Index
5
Low
Temperature 15°C / 10°C
Feels Like 13°C / 6°C
Rainy Days 10
Rainfall 104 mm
Sunshine 9 h
Humidity 74%
Wind Speed 32 km/h
Dew Point 8°C
Snow Days 3 days
Frost Days 9 days
Hottest Month
27°C
July
Avg Low22°C
Rain9days
Coldest Month
0°C
January
Avg High5°C
Rain11days
Driest Month
9days
June
Avg High23°C
Avg Low17°C
Windiest Month
38 km/h
January (Gusts 55)
Sea Temperature
5°C – 23°C
Warmest water: August (
22.7°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:19
Daylight 15.1h
Sunset 20:25
Live conditions—
Hampton Bays on the map · live conditions
Hampton Bays, United States
- Continent
- Americas
- Country
- United States
- City
- Hampton Bays
- Population
- 13.6K
- Elevation
- 10 m
- Coordinates
- 40.87°, -72.52°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 7°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 25°C
Avg Low 20°C
Rain 9 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 13°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 1°C
Rain 11 days/mo
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: 5°C / 0°C . Feb: 6°C / 0°C . Mar: 8°C / 3°C . Apr: 13°C / 7°C . May: 17°C / 12°C . Jun: 23°C / 17°C . Jul: 27°C / 22°C . Aug: 26°C / 22°C . Sep: 23°C / 19°C . Oct: 18°C / 14°C . Nov: 12°C / 7°C . Dec: 7°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 116 mm. Feb: 111 mm. Mar: 114 mm. Apr: 110 mm. May: 110 mm. Jun: 60 mm. Jul: 84 mm. Aug: 84 mm. Sep: 98 mm. Oct: 130 mm. Nov: 91 mm. Dec: 139 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 71%. Mar: 69%. Apr: 73%. May: 78%. Jun: 78%. Jul: 80%. Aug: 78%. Sep: 77%. Oct: 75%. Nov: 68%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 38 km/h . Feb: 36 km/h . Mar: 36 km/h . Apr: 33 km/h . May: 30 km/h . Jun: 27 km/h . Jul: 26 km/h . Aug: 26 km/h . Sep: 29 km/h . Oct: 33 km/h . Nov: 37 km/h . Dec: 37 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 9h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 8h. Nov: 7h. Dec: 6h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 6°C . Feb: 5°C . Mar: 6°C . Apr: 9°C . May: 14°C . Jun: 18°C . Jul: 23°C . Aug: 23°C . Sep: 22°C . Oct: 18°C . Nov: 13°C . Dec: 8°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 5 days. Feb: 5 days. Mar: 3 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 2 days.
Climate Trends
Average highs have cooled by 0.6°C (1.1°F) 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 | Jul 2025 · 27°C | Jul · 27°C |
| Coldest month | Jan 2025 · -2°C | Jan · 0°C |
| Wettest month | May 2025 · 163 mm | Dec · 139 mm |
| Windiest month | Dec 2025 · 42 km/h | Jan · 38 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 0°C | -1°C / -7°C | 11days (116 mm) Wet | 6.1h Fair | 69% Muggy | 2.3 Moderate | Poor | View Details |
| February | 6°C / 0°C | 1°C / -6°C | 11days (111 mm) Wet | 6.8h Fair | 71% Muggy | 3.4 Moderate | Poor | View Details |
| March | 8°C / 3°C | 4°C / -4°C | 10days (114 mm) Wet | 8.5h Good | 69% Muggy | 4.6 Moderate | Poor | View Details |
| April | 13°C / 7°C | 9°C / 2°C | 11days (110 mm) Wet | 9.3h Good | 73% Muggy | 5.4 High | Poor | View Details |
| May | 17°C / 12°C | 16°C / 8°C | 11days (110 mm) Wet | 10.1h Excellent | 78% Humid | 6.2 High | Good | View Details |
| June best | 23°C / 17°C | 24°C / 16°C | 9days (60 mm) Wet | 11.7h Excellent | 78% Humid | 7.2 Very High | Excellent | View Details |
| July best | 27°C / 22°C | 30°C / 23°C | 9days (84 mm) Wet | 12h Excellent | 80% Humid | 7.3 Very High | Excellent | View Details |
| August best | 26°C / 22°C | 28°C / 22°C | 9days (84 mm) Wet | 11.1h Excellent | 78% Humid | 6.7 High | Excellent | View Details |
| September best | 23°C / 19°C | 23°C / 17°C | 10days (98 mm) Wet | 9.1h Good | 77% Humid | 5.2 High | Excellent | View Details |
| October | 18°C / 14°C | 16°C / 10°C | 11days (130 mm) Wet | 7.8h Good | 75% Muggy | 4.1 Moderate | Fair | View Details |
| November | 12°C / 7°C | 8°C / 1°C | 9days (91 mm) Wet | 6.9h Fair | 68% Muggy | 2.9 Moderate | Poor | View Details |
| December | 7°C / 2°C | 2°C / -4°C | 11days (139 mm) Wet | 5.6h Fair | 70% Muggy | 2.1 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Hampton Bays are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Hampton Bays, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Hampton Bays is July, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Hampton Bays is January, with average overnight lows of 0°C (31°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Hampton Bays is December, averaging 139mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Hampton Bays runs through January, February, April, May, with the heaviest rainfall in January. Based on 10-year averages for Hampton Bays.
Hampton Bays receives approximately 105 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Hampton Bays.
The least favorable months to visit Hampton Bays are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Hampton Bays is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Hampton Bays is 74%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in July, August average 23°C (73°F), which is warm and comfortable for swimming and water activities.
Yes, Hampton Bays receives snow. Months with snowfall average 3 snow days and 9 cm (4 in) of accumulation, with about 9 frost days during winter.
Average wind speeds in Hampton Bays are 32 km/h (20 mph). The windiest month is January with peak winds reaching 38 km/h (23 mph) (gusts up to 55 km/h / 34 mph).
Hampton Bays averages 5 clear-sky days per month with overall cloud cover around 57%. The clearest skies occur in October.
The annual average dew point in Hampton Bays is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Hampton Bays has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Hampton Bays ranges from 6°C (43°F) to 13°C (55°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Hampton Bays. It earns a climate score of 8.9/10 with Excellent.
For June in Hampton Bays, pack Umbrella, Windbreaker, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (73°F) and 9 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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