Southeast Climate Summary Weather Forecast Office , MI Monthly Temperature, Precipitation, Snowfall, and Severe Weather Summaries December 2020

NWSDetroit weather.gov/dtx December 2020 – Regional Temperature Summary Weather Forecast Office Detroit, MI Average Temperature (left) & Departure from Average (right)

NWSDetroit weather.gov/dtx December 2020 – SE Michigan Temperature Summary Weather Forecast Office Detroit, MI Warmest, Coldest, and Averages (°F)

Highest Lowest Avg Avg Monthly Highest Lowest Avg Avg Monthly Location Location Temp Temp High Low Avg Temp Temp High Low Avg ADRIAN 2 NNE 55 12 39.7 23.4 31.6 LAPEER 2W 51 17 36.2 25.9 31.1 ADRIAN LENAWEE COUNTY AP 57 16 38.5 24.5 31.5 LAPEER WWTP 52 18 36.6 25.1 30.8 ALGONAC WWTP 53 12 39.9 25.4 32.6 LEXINGTON WATER PLANT 52 18 36.5 26.4 31.5 ANN ARBOR SE 54 16 37.8 23.8 30.8 LINDEN WWTP 52 16 35.3 24.0 29.6 ANN ARBOR U OF MICH 54 14 38.4 24.8 31.6 MANCHESTER 56 16 37.6 24.1 30.9 AUBURN 2NE 51 18 36.5 25.4 31.0 MIDLAND 50 17 35.3 25.8 30.5 BAD AXE 48 16 34.7 26.4 30.5 MORENCI 58 17 39.3 25.3 32.3 BURTON 4N 51 15 36.4 23.9 30.1 NEWPORT 4SSE 53 18 37.6 26.5 32.1 CARO WWTP 51 18 35.7 25.0 30.4 OWOSSO WWTP 53 18 36.3 25.5 30.9 CASS CITY 1 SSW 50 15 35.5 25.1 30.3 PONTIAC INTL AP 53 18 37.2 25.5 31.4 CHELSEA 53 15 36.9 24.8 30.8 DETROIT CITY AP 56 20 39.5 28.1 33.8 PONTIAC WWTP 54 18 36.8 25.9 31.4 DETROIT METRO AIRPORT 58 19 39.0 26.7 32.9 PORT HOPE 50 19 37.1 29.5 33.3 DETROIT AP 57 18 41.6 27.0 34.3 PORT HURON 52 20 37.9 29.2 33.5 DUNDEE 58 17 38.1 25.5 31.8 RICHMOND 4 NNW 53 18 36.7 26.0 31.4 DURAND WWTP 54 17 37.5 25.4 31.5 SAGINAW #3 51 18 36.2 25.6 30.9 FARMINGTON 54 14 36.2 23.5 29.9 SAGINAW MBS INTL AP 51 18 36.9 26.6 31.7 FILION 5NNW 51 25 38.0 31.1 34.6 SALINE 4SW 54 16 39.2 24.5 31.8 FLINT 7W 51 17 36.1 24.7 30.4 VASSAR 51 14 37.1 24.1 30.6 FLINT FCWOS 53 20 39.4 26.8 33.1 WHITE LAKE 4E 52 13 34.9 22.3 28.6 GOODRICH 51 17 36.0 24.5 30.3 WHITMORE LAKE 1NW 53 15 36.5 23.4 30.0 FARMS 55 18 38.0 27.0 32.5 YALE 1 NNW 51 18 36.1 25.8 30.7

NWSDetroit weather.gov/dtx December – Top 20 Coldest/Warmest on Record Weather Forecast Office Detroit, MI (°F)

NWSDetroit weather.gov/dtx December 2020 – Regional Precipitation Summary Weather Forecast Office Detroit, MI Total Monthly Precipitation (left) & Percent of Mean (right)

NWSDetroit weather.gov/dtx December 2020 – SE Michigan Precipitation Summary Weather Forecast Office Detroit, MI Highest daily total, monthly total, and total number of days of measureable precip (in.)

Highest Monthly # of Days Highest Monthly # of Days Highest Monthly # of Days Location Location Location Daily Total Total with Precip Daily Total Total with Precip Daily Total Total with Precip ADRIAN LENAWEE AP 0.50 0.87 10 FARMINGTON 0.47 1.59 14 OWOSSO WWTP 0.70 1.92 10 ALGONAC WWTP 0.49 1.85 14 FARMINGTON HILLS 1.4 N 0.44 1.60 13 PLEASANT RDG 0.5 WNW 0.38 1.72 13 ANN ARBOR 3.1 SE 0.42 1.36 14 FENTON 2.7 SSE 0.60 1.84 14 PLYMOUTH 5.4 W 0.41 1.44 12 ANN ARBOR 4.5 W 0.32 1.23 13 FENTON 6.2 WSW 0.58 1.56 12 PLYMOUTH 6.3 W 0.38 1.23 11 ANN ARBOR 7.1 W 0.36 1.31 13 FLINT 7W 0.76 2.09 13 PONTIAC INTL AP 0.71 1.21 12 ANN ARBOR SE 0.32 1.73 15 FLINT FCWOS 1.08 1.70 13 PONTIAC WWTP 0.47 1.85 12 ANN ARBOR U OF MICH 0.66 1.67 16 FRASER 1.2 N 0.33 1.52 12 PORT HOPE 1.06 2.40 16 BAD AXE 0.74 2.33 16 GOODRICH 0.39 1.00 13 PORT HURON 0.76 1.53 12 BAY CITY 2.4 W 0.65 1.45 5 GRAND BLANC 2.9 SE 0.62 1.86 13 PORT HURON 1.6 W 0.61 1.87 15 BAY PORT 3.2 SSW 0.89 2.02 14 GROSSE POINTE FARMS 0.37 1.63 12 PORT HURON 2.8 WSW 0.54 1.79 13 BURTON 4N 0.64 2.35 13 HIGHLAND 1.3 NE 0.55 1.65 12 RICHMOND 4 NNW 0.54 2.13 14 CANTON 2.7 N 0.43 1.42 14 LAPEER 2W 0.78 2.24 16 ROSEVILLE 1.7 ENE 0.46 1.79 14 CARO WWTP 0.92 2.26 12 LAPEER WWTP 0.55 2.04 15 SAGINAW 6.4 W 0.75 1.89 10 CASS CITY 1 SSW 0.53 2.09 12 LEXINGTON WWTP 0.62 2.10 12 SAGINAW #3 0.76 2.13 8 CHELSEA 0.48 1.33 11 LINDEN WWTP 0.55 1.51 12 SAGINAW MBS INTL AP 1.34 1.97 11 CHELSEA 2.4 S 0.43 1.15 10 LIVONIA 2.0 NE 0.50 1.51 14 SALINE 2.7 SSW 0.35 1.05 11 CHELSEA 3.7 NNE 0.40 1.46 13 MANCHESTER 0.63 1.21 10 SALINE 3.8 SSW 0.37 1.15 9 CHESANING 1.38 2.15 12 MIDLAND 1.60 2.61 12 SHELBY 0.4 SSE 0.64 1.79 15 CHESTERFIELD 2.4 E 0.50 1.59 13 MIDLAND 1.5 NNE 1.13 2.66 8 TROY 1.8 S 0.56 1.56 14 DAVISBURG 1.3 ESE 0.43 1.78 14 MIDLAND 2.9 SW 0.84 2.40 11 UTICA 2.9 E 0.43 1.60 14 DAVISON 5.2 N 0.44 1.44 12 MILLINGTON 3 SE 1.12 2.13 8 VASSAR 0.72 2.50 12 DETROIT CITY AP 0.48 0.87 13 MONROE 3.0 S 0.27 1.31 14 WATERFORD 2.1 NW 0.41 1.45 13 DETROIT METRO AIRPORT 0.51 1.36 13 MORENCI 0.27 1.37 11 WHITE LAKE 0.5 E 0.56 1.59 11 DETROIT WILLOW RUN AP 0.68 1.10 10 NEW BALTIMORE 0.4 SSE 0.40 1.58 13 WHITE LAKE 4E 0.95 1.72 13 DEXTER 0.3 ENE 0.35 1.37 13 NEWPORT 4SSE 0.29 1.33 14 WIXOM 2.0 NNW 0.51 1.69 14 DEXTER 2.2 SE 0.36 1.40 13 ORTONVILLE 2.3 S 0.45 1.83 14 WYANDOTTE 0.53 1.98 14 DURAND 6.2 WNW 0.86 2.05 10 OTTAWA LAKE 1.4 SSW 0.31 1.08 14 YALE 1 NNW 0.52 1.99 13

NWSDetroit weather.gov/dtx December – Top 20 Wettest/Driest on Record Weather Forecast Office Detroit, MI (in.)

NWSDetroit weather.gov/dtx December 2020 – Regional Snowfall Summary Weather Forecast Office Detroit, MI Total Monthly Snowfall (left) & Departure from Normal (right)

NWSDetroit weather.gov/dtx December 2020 – SE Michigan Snowfall Summary Weather Forecast Office Detroit, MI Highest daily total, monthly total, and total number of days of measureable snow (in.)

Highest Monthly # of Days Highest Monthly # of Days Highest Monthly # of Days Location Location Location Daily Total Total with Snow Daily Total Total with Snow Daily Total Total with Snow ADRIAN 2 NNE 1.5 4.0 4 FARMINGTON 1.2 5.0 7 OTTAWA LAKE 1.4 SSW 2.0 5.8 6 ALGONAC WWTP 2.0 7.1 6 FARMINGTON HLS 1.4 N 2.0 7.8 7 OWOSSO WWTP 1.3 2.3 5 ANN ARBOR 2.1 WNW 2.2 6.5 7 FENTON 6.2 WSW 1.0 3.4 7 PLEASANT RIDGE 0.5 WNW 1.6 5.4 6 ANN ARBOR 3.1 SE 1.2 5.2 7 FILION 5NNW 1.2 6.1 11 PLYMOUTH 5.4 W 0.9 4.1 6 FLINT 7W 2.0 5.2 7 ANN ARBOR 4.5 W 1.8 4.3 7 PONTIAC WWTP 1.0 4.1 6 ANN ARBOR 7.1 W 2.0 6.2 7 FLINT FCWOS 2.1 5.0 6 PORT HURON 2.0 2.9 4 ANN ARBOR SE 2.7 9.3 11 FRASER 1.2 N 2.0 3.3 4 PORT HURON 1.6 W 2.8 9.6 7 ANN ARBOR U OF MICH 2.2 8.0 11 GOODRICH 1.8 4.6 8 RICHMOND 4 NNW 3.1 10.3 7 AUBURN 2NE 2.5 5.2 9 GROSSE POINTE FARMS 2.0 5.4 4 SAGINAW 6.4 W 2.0 2.4 3 BAD AXE 2.5 6.9 11 HIGHLAND 1.3 NE 2.2 5.7 6 SAGINAW 8NW 2.8 3.6 5 BAY PORT 3.2 SSW 2.8 4.4 6 LAPEER 2W 2.0 7.9 9 SAGINAW #3 1.6 2.2 5 BURTON 4N 1.7 6.0 8 LAPEER WWTP 2.3 7.8 6 SAGINAW MBS INTL AP 2.5 4.1 7 CANTON 2.7 N 1.2 4.6 7 LEXINGTON WWTP 2.0 5.2 4 CARO WWTP 2.1 4.7 6 LINDEN WWTP 1.0 2.4 6 SALINE 3.8 SSW 1.0 3.5 4 CASS CITY 1 SSW 2.4 7.9 7 LIVONIA 2.0 NE 1.0 4.5 7 SALINE 4SW 1.4 4.7 6 CHELSEA 1.0 2.4 4 MANCHESTER 1.0 3.5 5 SHELBY 0.4 SSE 1.5 5.7 5 CHELSEA 3.7 NNE 1.8 5.3 7 MIDLAND 1.5 NNE 3.5 5.8 7 TECUMSEH 1.6 3.0 3 CHESANING 1.9 2.1 3 MILLINGTON 3 SE 3.4 9.2 6 TIPTON 2WNW 1.6 3.3 4 DAVISON 5.2 N 1.0 3.6 8 MONROE 3.0 S 2.4 7.2 7 VASSAR 2.0 4.3 5 DETROIT METRO AP 2.7 9.6 7 MORENCI 1.4 4.7 7 WATERFORD 2.1 NW 1.1 4.6 7 DEXTER 0.3 ENE 1.0 3.5 5 NEW BALTIMORE 0.4 SSE 3.1 8.8 7 WHITE LAKE 4E 3.2 7.5 8 DUNDEE 1.5 3.8 5 NEWPORT 4SSE 2.3 6.9 6 WYANDOTTE 3.5 12.0 7 DURAND 6.2 WNW 1.0 2.5 4 OIL CITY 2S 4.8 5.8 5 YALE 1 NNW 3.0 10.4 10

NWSDetroit weather.gov/dtx December – Top 20 Snowiest/Least Snowy on Record Weather Forecast Office Detroit, MI

(in.)

Note: this table does not account for trace (T) events NWSDetroit weather.gov/dtx Season-to-Date 2020-2021 Regional Snowfall Summary Weather Forecast Office Detroit, MI Total Snowfall (left) & Departure from Normal (right)

NWSDetroit weather.gov/dtx December 2020 - Significant Weather Events Weather Forecast Office Detroit, MI Follow links for web summaries

No Significant Events in December

NWSDetroit weather.gov/dtx Additional Climate Resources Weather Forecast Office Detroit, MI

SE Michigan Climate Products U.S. Drought Monitor NOAA NCEI Climate at a Glance

drought.gov/drought/data-maps- weather.gov/climate/index.php?wfo=dtx ncdc.noaa.gov/cag/ tools/current-conditions

Thank you to our COOP and CoCoRaHS volunteer weather observers!

NWSDetroit weather.gov/dtx