Dallas Weather in January
United States · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
January in Dallas sees average temperatures ranging from a low of 3.6°C (38.5°F) to a high of 13.8°C (56.8°F), with a mean of 8.4°C (47.1°F). Compared to the annual average of 19.8°C (67.6°F), this month is 11.4°C cooler than the yearly norm. This is the coldest month of the year, with average lows of 3.6°C (38.5°F). Precipitation averages 79.6mm, making it approximately 38.0mm drier than the monthly average of 117.0mm. The city receives an average of 7.1 hours of sunshine per day during January, with relative humidity averaging 65.4%. Wind speeds reach an average maximum of 22.9 km/h. Snowfall averages 0.7cm during January, which can affect travel plans and outdoor activities. For travelers, this month offers a coldest month of the year experience in Dallas, with drier-than-average conditions compared to the rest of the year.
Dallas's climate is characterized by hot summers and mild winters, with occasional severe weather. I tracked the data and found that the city experiences some of the most dramatic temperature swings in Texas. The best time for visiting is October to April, when temperatures are pleasant and the risk of severe weather is lower. Spring and autumn are particularly comfortable.
January vs Adjacent Months
| Metric | December | January | February |
|---|---|---|---|
| Mean Temp | 11.6°C (52.9°F) | 8.4°C (47.1°F) | 9.3°C (48.7°F) |
| Rainfall | 89.8mm | 79.6mm | 101.9mm |
| Sunshine | 7.1 hrs | 7.1 hrs | 7.4 hrs |
| Humidity | 68.9% | 65.4% | 66.0% |
| Wind | 21.2 km/h | 22.9 km/h | 24.7 km/h |
| Rainy Days | 11.6 | 11.0 | 11.0 |
| Snowfall | 0.0 cm | 0.7 cm | 2.0 cm |
Seasonal Context
January falls in Winter in the Northern Hemisphere. Winter is the coolest season with the shortest daylight hours. For travelers visiting Dallas in January, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Dallas in January?
The average temperature in Dallas during January ranges from 3.6°C (38.5°F) to 13.8°C (56.8°F), with a mean of 8.4°C (47.1°F).
How much does it rain in Dallas in January?
Dallas receives an average of 79.6mm of precipitation in January, spread across approximately 11.0 rainy days.
What should I pack for Dallas in January?
Based on January weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is January a good time to visit Dallas?
January is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Dallas
Cities with Similar January Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 32.78°, -96.81°. Timezone: America/Chicago. Last updated: 2026-07-30.