Terrell, United States experiences average highs of 25°C (77°F) and lows of 15°C (59°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Terrell, United States Weather & Climate 2026
Monthly climate averages for Terrell, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Feb–Jul At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.2/10
Best: April, May, October
UV Index
6
High
Temperature 25°C / 15°C
Feels Like 25°C / 15°C
Rainy Days 9
Rainfall 96 mm
Sunshine 9 h
Humidity 68%
Wind Speed 19 km/h
Dew Point 14°C
Snow Days 1 days
Frost Days 3 days
Hottest Month
34°C
July
Avg Low25°C
Rain9days
Coldest Month
4°C
January
Avg High14°C
Rain7days
Driest Month
7days
January
Avg High14°C
Avg Low4°C
Windiest Month
23 km/h
March (Gusts 45)
Worst Time to Visit
Consider avoiding July, August due to extreme heat, oppressive humidity.
Sun Position
Sunrise 06:18
Daylight 14.3h
Sunset 20:36
Live conditions—
Terrell on the map · live conditions
Terrell, United States
- Continent
- Americas
- Country
- United States
- City
- Terrell
- Population
- 17K
- Elevation
- 155 m
- Coordinates
- 32.74°, -96.28°
Seasonal Breakdown
Spring
Mar–May
Avg High 24°C
Avg Low 15°C
Rain 11 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 34°C
Avg Low 25°C
Rain 8 days/mo
Autumn
Sep–Nov
Avg High 26°C
Avg Low 16°C
Rain 7 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 15°C
Avg Low 6°C
Rain 8 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: 14°C / 4°C . Feb: 16°C / 6°C . Mar: 21°C / 11°C . Apr: 24°C / 14°C . May: 28°C / 19°C . Jun: 32°C / 23°C . Jul: 34°C / 25°C . Aug: 34°C / 25°C . Sep: 32°C / 22°C . Oct: 27°C / 17°C . Nov: 20°C / 11°C . Dec: 16°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 73 mm. Feb: 100 mm. Mar: 111 mm. Apr: 160 mm. May: 143 mm. Jun: 101 mm. Jul: 57 mm. Aug: 86 mm. Sep: 58 mm. Oct: 105 mm. Nov: 74 mm. Dec: 78 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 71%. Mar: 69%. Apr: 69%. May: 74%. Jun: 71%. Jul: 64%. Aug: 62%. Sep: 63%. Oct: 61%. Nov: 69%. Dec: 70%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 22 km/h . Mar: 23 km/h . Apr: 23 km/h . May: 20 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 16 km/h . Sep: 15 km/h . Oct: 18 km/h . Nov: 19 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 7h. Mar: 8h. Apr: 9h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 6. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
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 | Aug 2025 · 35°C | Jul · 34°C |
| Coldest month | Jan 2025 · 2°C | Jan · 4°C |
| Wettest month | Apr 2025 · 179 mm | Apr · 160 mm |
| Windiest month | Mar 2025 · 25 km/h | Mar · 23 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Good April best
Excellent May best
Excellent June
Fair July
Poor August
Poor September
Fair October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 4°C | 11°C / 0°C | 7days (73 mm) Good | 6.9h Fair | 68% Muggy | 3.6 Moderate | Fair | View Details |
| February | 16°C / 6°C | 14°C / 3°C | 10days (100 mm) Wet | 6.5h Fair | 71% Muggy | 4.4 Moderate | Fair | View Details |
| March | 21°C / 11°C | 20°C / 9°C | 10days (111 mm) Wet | 8.1h Good | 69% Muggy | 5.9 High | Good | View Details |
| April best | 24°C / 14°C | 24°C / 12°C | 10days (160 mm) Wet | 8.7h Good | 69% Muggy | 6.3 High | Excellent | View Details |
| May best | 28°C / 19°C | 30°C / 20°C | 13days (143 mm) Wet | 9.8h Good | 74% Muggy | 7.3 Very High | Excellent | View Details |
| June | 32°C / 23°C | 36°C / 26°C | 9days (101 mm) Wet | 11.6h Excellent | 71% Muggy | 7.9 Very High | Fair | View Details |
| July | 34°C / 25°C | 38°C / 28°C | 9days (57 mm) Wet | 12.3h Excellent | 64% Muggy | 8 Very High | Poor | View Details |
| August | 34°C / 25°C | 38°C / 29°C | 7days (86 mm) Good | 11.3h Excellent | 62% Muggy | 7.8 Very High | Poor | View Details |
| September | 32°C / 22°C | 34°C / 24°C | 7days (58 mm) Good | 10.1h Excellent | 63% Muggy | 6.7 High | Fair | View Details |
| October best | 27°C / 17°C | 27°C / 16°C | 7days (105 mm) Good | 8.8h Good | 61% Muggy | 5.5 High | Excellent | View Details |
| November | 20°C / 11°C | 19°C / 8°C | 7days (74 mm) Good | 7.5h Good | 69% Muggy | 4 Moderate | Good | View Details |
| December | 16°C / 7°C | 14°C / 4°C | 7days (78 mm) Good | 6.4h Fair | 70% Muggy | 3.3 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Terrell are April, May, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Terrell, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Terrell is July, with average daytime highs of 34°C (94°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Terrell is January, with average overnight lows of 4°C (39°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Terrell is April, averaging 160mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Terrell runs through May, February, March, April, with the heaviest rainfall in May. Based on 10-year averages for Terrell.
Terrell receives approximately 108 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Terrell.
The least favorable months to visit Terrell are July, August, primarily due to extreme heat, oppressive humidity. For the best conditions, consider April, May, October instead.
The annual average UV index in Terrell is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Terrell is 68%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Terrell receives snow. Months with snowfall average 1 snow days and 2 cm (1 in) of accumulation, with about 3 frost days during winter.
Average wind speeds in Terrell are 19 km/h (12 mph). The windiest month is March with peak winds reaching 23 km/h (14 mph) (gusts up to 45 km/h / 28 mph).
Terrell averages 8 clear-sky days per month with overall cloud cover around 50%. The clearest skies occur in October.
The annual average dew point in Terrell is 14°C (57°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Terrell 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 Terrell ranges from 15°C (59°F) to 25°C (77°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 Terrell, with a climate score of 5.3/10. Consider visiting during April, May, October instead for better conditions.
For June in Terrell, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 32°C (90°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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