May weather in Brownsville, TX
The average temperature in Brownsville in May is 80.1°F (72.9°F–87.2°F). Average precipitation: inches.
May is a spring month in Brownsville, and is warmer than the annual average of 74.4°F. Daily temperatures swing about 14.3°F between overnight low and afternoon high. Daylight averages about 13h 16m. For travel, May is a comfortable month to visit.
Avg High
87.2°F
Avg Low
72.9°F
Precipitation
in
Daylight
13h 16m
May records in Brownsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2024) | 57.0°F (2017) | 0.11 in (2021) |
| May 2 | 89.1°F (2021) | 66.0°F (2017) | 0.07 in (2016) |
| May 3 | 90.0°F (2021) | 64.9°F (2016) | 2.59 in (2025) |
| May 4 | 91.0°F (2021) | 62.1°F (2017) | 0.01 in (2017) |
| May 5 | 91.0°F (2016) | 57.9°F (2017) | 0.03 in (2025) |
| May 6 | 90.0°F (2022) | 59.0°F (2017) | 0.00 in (2016) |
| May 7 | 93.0°F (2024) | 60.1°F (2021) | 0.00 in (2016) |
| May 8 | 93.0°F (2024) | 72.0°F (2017) | 0.14 in (2025) |
| May 9 | 102.0°F (2024) | 64.9°F (2023) | 1.27 in (2023) |
| May 10 | 90.0°F (2024) | 66.9°F (2025) | 0.01 in (2023) |
| May 11 | 90.0°F (2021) | 64.9°F (2025) | 0.00 in (2016) |
| May 12 | 95.0°F (2017) | 66.0°F (2025) | 2.00 in (2021) |
| May 13 | 91.9°F (2024) | 66.9°F (2023) | 2.43 in (2023) |
| May 14 | 93.0°F (2024) | 64.9°F (2021) | 0.03 in (2016) |
| May 15 | 93.0°F (2025) | 68.0°F (2021) | 0.22 in (2016) |
| May 16 | 93.0°F (2024) | 70.0°F (2023) | 0.58 in (2023) |
| May 17 | 91.9°F (2025) | 71.1°F (2023) | 0.72 in (2023) |
| May 18 | 93.9°F (2024) | 70.0°F (2023) | 0.02 in (2016) |
| May 19 | 93.9°F (2024) | 63.0°F (2021) | 2.46 in (2021) |
| May 20 | 95.0°F (2024) | 62.1°F (2021) | 1.05 in (2016) |
| May 21 | 95.0°F (2022) | 72.0°F (2021) | 0.08 in (2023) |
| May 22 | 95.0°F (2017) | 71.1°F (2021) | 0.05 in (2022) |
| May 23 | 97.0°F (2024) | 71.1°F (2023) | 0.06 in (2017) |
| May 24 | 97.0°F (2024) | 66.0°F (2017) | 4.79 in (2022) |
| May 25 | 96.1°F (2024) | 66.0°F (2022) | 0.42 in (2021) |
| May 26 | 96.1°F (2024) | 72.0°F (2023) | 0.06 in (2016) |
| May 27 | 96.1°F (2024) | 72.0°F (2023) | 0.00 in (2016) |
| May 28 | 97.0°F (2024) | 70.0°F (2025) | 1.51 in (2025) |
| May 29 | 95.0°F (2024) | 68.0°F (2017) | 1.42 in (2017) |
| May 30 | 93.9°F (2024) | 69.1°F (2017) | 0.60 in (2023) |
| May 31 | 93.9°F (2024) | 70.0°F (2023) | 0.01 in (2017) |