Climate Insights for Roma

Starr County, Texas, United States

Hottest
July
39°C peak
Coldest
January
10°C low
Wettest
May
92mm rain
Best to Visit
February, March, November
Mild temps & low rain

Climate Overview

The climate in Roma is warm and mild. The average annual temperature is 25°C and approximately 577mm of precipitation falls per year. May is the wettest month, receiving around 92mm of rainfall. Roma is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, February, December, when temperatures can drop to 10°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 22° Average: 15° Min: 10° Feb Max: 28° Average: 19° Min: 13° Mar Max: 30° Average: 23° Min: 18° Apr Max: 33° Average: 26° Min: 21° May Max: 34° Average: 28° Min: 24° Jun Max: 35° Average: 29° Min: 25° Jul Max: 39° Average: 32° Min: 27° Aug Max: 38° Average: 31° Min: 26° Sep Max: 36° Average: 30° Min: 25° Oct Max: 34° Average: 27° Min: 21° Nov Max: 28° Average: 22° Min: 18° Dec Max: 24° Average: 18° Min: 14°
Max
Average
Min

Temperatures in Roma vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the hottest month, with daytime highs reaching 39°C and an average of 32°C. January is the coolest month, with minimum temperatures around 10°C and an average of 15°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 23mm Feb Precipitation: 1mm Mar Precipitation: 68mm Apr Precipitation: 44mm May Precipitation: 92mm Jun Precipitation: 90mm Jul Precipitation: 9mm Aug Precipitation: 65mm Sep Precipitation: 61mm Oct Precipitation: 10mm Nov Precipitation: 58mm Dec Precipitation: 55mm
Precipitation

Roma is a relatively dry area, receiving approximately 577mm of precipitation annually, which averages out to around 48mm per month. The wettest month is May, averaging 92mm of rainfall. June and March also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 91mm less than May, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 5km/h Mar Wind Speed: 5km/h Apr Wind Speed: 5km/h May Wind Speed: 5km/h Jun Wind Speed: 4km/h Jul Wind Speed: 6km/h Aug Wind Speed: 5km/h Sep Wind Speed: 4km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Roma is relatively calm, with an average annual wind speed of 4km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

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

52 days until Autumn

It is currently summer in Roma, which began on June 21, 2026. Roma 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 July at around 39°C, while the coldest stretch bottoms out in January near 10°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

Spring

Temperatures range from 18 to 34°C. Precipitation is moderate at around 204mm for the season, averaging 68mm per month. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 25 to 39°C. Precipitation is moderate at around 165mm for the season, averaging 55mm per month. Winds are generally light, averaging 5km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.

Autumn

Temperatures range from 18 to 36°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 10 to 28°C. Rainfall is relatively light, with around 79mm over the season and a monthly average of 26mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 15°
Feb 19°
Mar 23°
Apr 26°
May 28°
Jun 29°
Jul 32°
Aug 31°
Sep 30°
Oct 27°
Nov 22°
Dec 18°

The best time to visit Roma is during February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 46mm per month. By contrast, July can be uncomfortably hot with highs reaching 39°C, while January is the coldest period with lows dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Roma 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
10 °C
22 °C
4 km/h
23 mm
0 cm
Feb
13 °C
28 °C
5 km/h
1 mm
0 cm
Mar
18 °C
30 °C
5 km/h
68 mm
0 cm
Apr
21 °C
33 °C
5 km/h
44 mm
0 cm
May
24 °C
34 °C
5 km/h
92 mm
0 cm
Jun
25 °C
35 °C
4 km/h
90 mm
0 cm
Jul
27 °C
39 °C
6 km/h
9 mm
0 cm
Aug Current
26 °C
38 °C
5 km/h
65 mm
0 cm
Sep
25 °C
36 °C
4 km/h
61 mm
0 cm
Oct
21 °C
34 °C
4 km/h
10 mm
0 cm
Nov
18 °C
28 °C
4 km/h
58 mm
0 cm
Dec
14 °C
24 °C
4 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)

Confirm