Royse City weather by month
What a typical year looks like in Royse City, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Ralph M Hall Rockwall Municipal Airport, 12 km from Royse City, over its available record (2012–2026) — not an NCEI normal; records cover 2012–2026.
The year at a glance
- Precipitation a year
- 32.8 in833 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 27
- First fall freeze
- Nov 30
- Heating degree days
- —
- Cooling degree days
- —
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 21°−6° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Royse City in January
Highs average 56°13° and lows 36°2°, with 1.7 in43 mm of precipitation in a typical January.
- Record high
- 81°27° (2023)
- Record low
- 10°−12° (2024)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in February
Highs average 61°16° and lows 40°5°, with 2.1 in53 mm of precipitation in a typical February.
- Record high
- 88°31° (2024)
- Record low
- −1°−18° (2021)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in March
Highs average 70°21° and lows 49°9°, with 2.8 in71 mm of precipitation in a typical March.
- Record high
- 91°33° (2026)
- Record low
- 17°−8° (2014)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in April
Highs average 75°24° and lows 55°13°, with 3.6 in91 mm of precipitation in a typical April.
- Record high
- 93°34° (2020)
- Record low
- 33°1° (2014)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in May
Highs average 82°28° and lows 64°18°, with 4.9 in124 mm of precipitation in a typical May.
- Record high
- 94°34° (2018)
- Record low
- 39°4° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in June
Highs average 91°33° and lows 72°22°, with 3.1 in79 mm of precipitation in a typical June.
- Record high
- 100°38° (2013)
- Record low
- 60°16° (2015)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in July
Highs average 94°35° and lows 75°24°, with 1.7 in43 mm of precipitation in a typical July.
- Record high
- 106°41° (2018)
- Record low
- 62°17° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in August
Highs average 95°35° and lows 75°24°, with 2.1 in53 mm of precipitation in a typical August.
- Record high
- 108°42° (2023)
- Record low
- 63°17° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in September
Highs average 90°32° and lows 69°21°, with 2 in51 mm of precipitation in a typical September.
- Record high
- 107°42° (2023)
- Record low
- 53°12° (2020)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in OctoberThis month
Highs average 79°26° and lows 58°14°, with 4.2 in107 mm of precipitation in a typical October.
- Record high
- 95°35° (2015)
- Record low
- 30°−1° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in November
Highs average 67°20° and lows 48°9°, with 2.3 in58 mm of precipitation in a typical November.
- Record high
- 91°33° (2017)
- Record low
- 22°−6° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Royse City in December
Highs average 60°16° and lows 42°5°, with 2.3 in58 mm of precipitation in a typical December.
- Record high
- 83°28° (2025)
- Record low
- 10°−12° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Greenville Kgvl Radio station, 1900–2024: records and averages
This station is no longer reporting, but its 1900–2024 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 55°13°, low 32°0°, 2.5 in64 mm precipitation.
Record high 90°32° (1911); record low −4°−20° (1930).
February
Average high 59°15°, low 35°2°, 2.9 in74 mm precipitation.
Record high 95°35° (1918); record low 0°−18° (1949).
March
Average high 67°19°, low 43°6°, 3.5 in89 mm precipitation.
Record high 95°35° (1916); record low 8°−13° (1943).
April
Average high 75°24°, low 52°11°, 4.3 in109 mm precipitation.
Record high 101°38° (1930); record low 26°−3° (1936).
May
Average high 82°28°, low 61°16°, 5.2 in132 mm precipitation.
Record high 104°40° (1927); record low 31°−1° (2011).
June
Average high 91°33°, low 69°21°, 3.7 in94 mm precipitation.
Record high 109°43° (1933); record low 48°9° (1988).
July
Average high 95°35°, low 72°22°, 3 in76 mm precipitation.
Record high 113°45° (1934); record low 55°13° (1924).
August
Average high 96°36°, low 72°22°, 2.3 in58 mm precipitation.
Record high 116°47° (1936); record low 49°9° (2004).
September
Average high 89°32°, low 65°18°, 3.3 in84 mm precipitation.
Record high 109°43° (1939); record low 36°2° (1942).
October
Average high 79°26°, low 53°12°, 3.9 in99 mm precipitation.
Record high 103°39° (2006); record low 21°−6° (1917).
November
Average high 66°19°, low 42°6°, 3.3 in84 mm precipitation.
Record high 91°33° (2017); record low 13°−11° (1976).
December
Average high 57°14°, low 34°1°, 3.2 in81 mm precipitation.
Record high 87°31° (1955); record low −3°−19° (1989).