Somerset weather by month
What a typical year looks like in Somerset, Kansas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Osawatomie, 19 km from Somerset; records cover 1951–2026.
The year at a glance
- Precipitation a year
- 38.9 in988 mm
- Snow a year
- 8 in21 cm
- Last spring freeze
- Apr 5
- First fall freeze
- Oct 29
- Heating degree days
- 5,015
- Cooling degree days
- 1,393
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Somerset in January
Highs average 40°4° and lows 19°−7°, with 1.1 in29 mm of precipitation and 2.9 in7.4 cm of snow in a typical January.
- Record high
- 75°24° (2013)
- Record low
- −16°−27° (1959)
- Heating degree days
- 1106
- Cooling degree days
- 0
Somerset in February
Highs average 45°7° and lows 23°−5°, with 1.6 in41 mm of precipitation and 2.3 in5.8 cm of snow in a typical February.
- Record high
- 81°27° (2017)
- Record low
- −19°−28° (2021)
- Heating degree days
- 869
- Cooling degree days
- 0
Somerset in March
Highs average 56°13° and lows 33°0°, with 2.6 in66 mm of precipitation and 0.5 in1.3 cm of snow in a typical March.
- Record high
- 94°34° (2026)
- Record low
- −3°−19° (1960)
- Heating degree days
- 645
- Cooling degree days
- 3
Somerset in April
Highs average 66°19° and lows 43°6°, with 3.8 in95 mm of precipitation in a typical April.
- Record high
- 92°33° (2012)
- Record low
- 17°−8° (1957)
- Heating degree days
- 338
- Cooling degree days
- 10
Somerset in May
Highs average 75°24° and lows 54°12°, with 5.5 in140 mm of precipitation in a typical May.
- Record high
- 96°36° (1953)
- Record low
- 31°−1° (1960)
- Heating degree days
- 119
- Cooling degree days
- 104
Somerset in June
Highs average 84°29° and lows 64°18°, with 5.5 in139 mm of precipitation in a typical June.
- Record high
- 104°40° (1952)
- Record low
- 45°7° (1956)
- Heating degree days
- 5
- Cooling degree days
- 279
Somerset in July
Highs average 89°32° and lows 68°20°, with 4.2 in106 mm of precipitation in a typical July.
- Record high
- 115°46° (1954)
- Record low
- 48°9° (1959)
- Heating degree days
- 0
- Cooling degree days
- 426
Somerset in August
Highs average 88°31° and lows 66°19°, with 3.4 in86 mm of precipitation in a typical August.
- Record high
- 111°44° (2011)
- Record low
- 47°8° (1958)
- Heating degree days
- 1
- Cooling degree days
- 378
Somerset in September
Highs average 80°27° and lows 57°14°, with 4.2 in105 mm of precipitation in a typical September.
- Record high
- 104°40° (2011)
- Record low
- 35°2° (1957)
- Heating degree days
- 49
- Cooling degree days
- 160
Somerset in OctoberThis month
Highs average 69°20° and lows 45°7°, with 3.1 in78 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 93°34° (1953)
- Record low
- 20°−7° (1952)
- Heating degree days
- 284
- Cooling degree days
- 31
Somerset in November
Highs average 55°13° and lows 33°1°, with 2.3 in59 mm of precipitation and 0.1 in0.3 cm of snow in a typical November.
- Record high
- 82°28° (1952)
- Record low
- 0°−18° (1959)
- Heating degree days
- 631
- Cooling degree days
- 2
Somerset in December
Highs average 44°7° and lows 24°−5°, with 1.7 in42 mm of precipitation and 2.4 in6.1 cm of snow in a typical December.
- Record high
- 73°23° (2023)
- Record low
- −5°−21° (1953)
- Heating degree days
- 968
- Cooling degree days
- 0