What is the hottest month in Timber Lake?

July is the warmest month in Timber Lake, with an average high of 85.9°F.

What is the coldest month in Timber Lake?

January is the coldest month in Timber Lake, with an average low of 7.1°F.

What month does Timber Lake get the most rain?

June is typically the wettest month in Timber Lake, with about 3.56 inches of precipitation.

What plant hardiness zone is Timber Lake in?

Timber Lake is approximately in USDA plant hardiness Zone 6a, based on the average annual extreme minimum temperature.

Has the climate in Timber Lake changed recently?

8.2% of Timber Lake's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Timber Lake, SD

Climate overview — based on NOAA 1991-2020 normals from TIMBER LAKE, SD US.

Dfa Hot-summer humid continental climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Timber Lake has an annual average temperature of 45.3°F with about 19.4 inches of precipitation per year and 41.2 inches of snow. The warmest month is July (average high 85.9°F), and the coldest is January (average low 7.1°F). June is typically the wettest month (3.56 in) and January the driest (0.49 in). Snow typically falls from October through May.

Pleasant months

1 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

55.8°F

warmest to coldest month

Heating need

7,563

HDD/yr

Cooling need

459

CDD/yr

Best time to visit Timber Lake

Full guide →

Climate change signal

All-time records →

30 of 366 (8.2%) of Timber Lake's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1910s		35
1920s		7
1930s		69
1940s		45
1950s		31
1960s		26
1970s		25
1980s		25
1990s		26
2000s		29
2010s		31
2020s		17

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	26.7°F	7.1°F	16.9°F	0.49 in	6.4 in	6
February	30.7°F	10.8°F	20.7°F	0.67 in	7.5 in	6
March	43.9°F	21.2°F	32.6°F	1.00 in	6.5 in	6
April	57.7°F	31.9°F	44.8°F	1.83 in	5.2 in	8
May	69.1°F	43.4°F	56.2°F	2.90 in	0.6 in	10
June	78.7°F	53.9°F	66.3°F	3.56 in	—	11
July	85.9°F	59.4°F	72.7°F	2.85 in	—	9
August	85.1°F	57.5°F	71.3°F	1.78 in	—	7
September	76.1°F	48.1°F	62.1°F	1.53 in	—	6
October	58.7°F	34.6°F	46.7°F	1.66 in	2.3 in	7
November	42.6°F	21.7°F	32.1°F	0.57 in	4.4 in	5
December	30.2°F	11.3°F	20.8°F	0.57 in	8.3 in	5