Mont Belvieu, TX Weather & Climate Normals
What a normal year in Mont Belvieu actually looks like
On the 30-year record NOAA keeps for Mont Belvieu, TX, the comfort score comes out to 52/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Mont Belvieu's weather actually swings
Average temperatures in Mont Belvieu run from 52°F in Jan up to 83°F in Aug, a 31.1°F seasonal swing, a middling gap by national standards.
Mont Belvieu, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 63°F | 41°F | 4.85in | 0in |
| Feb | 66°F | 45°F | 3.78in | 0in |
| Mar | 72°F | 52°F | 3.94in | 0in |
| Apr | 78°F | 59°F | 4.51in | 0in |
| May | 84°F | 67°F | 6.01in | 0in |
| Jun | 89°F | 73°F | 7.08in | 0in |
| Jul | 92°F | 75°F | 5.49in | 0in |
| Aug | 92°F | 74°F | 6.82in | 0in |
| Sep | 89°F | 69°F | 6.41in | 0in |
| Oct | 82°F | 60°F | 6.13in | 0in |
| Nov | 71°F | 50°F | 4.94in | 0in |
| Dec | 65°F | 44°F | 4.77in | 0in |
If you're timing a visit, Feb, Mar, Apr, Oct, and Nov are Mont Belvieu's mildest stretch; if you're moving there, you should plan around Aug's heat and Jan's cold instead.
How wet Mont Belvieu actually gets
Over a typical year, Mont Belvieu sees about 64.73in of precipitation a year across roughly 111 days with measurable rain or snow, with 0in of snow a year.
Mont Belvieu against the rest of the country
Out of 4876 cities scored here, Mont Belvieu comes in at 1335; within TX alone it ranks 259 of 384. Population is about 10,229.
Checking the actual forecast
These figures come from Baytown, TX US, the NOAA station 8.3 miles from Mont Belvieu, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is