Mount Vernon weather in December

In December, Mount Vernon sees average daytime highs of 41°F and overnight lows near 33°F, with 10.0 in of precipitation across 19 wet days and about 8.2 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 41°F through the month. The sky is clear or mostly clear about 13% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of December to 8 h 12 min by month's end. Set against the rest of the year, December is Mount Vernon's 12th-clearest and 1st-windiest month. For the whole year in context, see Mount Vernon's year-round climate.

Daytime high: 41°; 12th warmest
Overnight low: 33°; 1st coldest
Precipitation: 10.0 in; 19 wet days
Daylight: 8 h 06 min; 8:02 AM – 4:09 PM
Cloud cover: 77%; 12th clearest
Wind: 5 mph; 1st windiest
Solar energy: 0.85 kWh/m²
Travel score: 0.1; out of 10

Mount Vernon is city in Skagit County, Washington, United States.

Density: 1,050/km²; people per km²
Founded: 1870

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Mount Vernon year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 41°F through the month.

A typical December day in Mount Vernon reaches about 41°F in the afternoon and slips back to 33°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 35°F and 47°F. Set against its neighbours, December runs about 5°F cooler than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°F)	42	42	42	42	42	42	42	42	42	41	41	41	41	41	41	41	41	41	41	41	41	41	40	40	40	40	40	40	40	40	40
Avg low (°F)	34	34	34	34	34	34	34	34	34	34	34	34	34	34	34	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33

	Avg high (°F)	Avg low (°F)
1	42	34
2	42	34
3	42	34
4	42	34
5	42	34
6	42	34
7	42	34
8	42	34
9	42	34
10	41	34
11	41	34
12	41	34
13	41	34
14	41	34
15	41	34
16	41	33
17	41	33
18	41	33
19	41	33
20	41	33
21	41	33
22	41	33
23	40	33
24	40	33
25	40	33
26	40	33
27	40	33
28	40	33
29	40	33
30	40	33
31	40	33

How December really feels in Mount Vernon

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Mount Vernon weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	42° / 34°	10.2	19.1	9.5	8.6	0.2
Feb	44° / 34°	6.7	15.4	9	9.9	0.7
Mar	48° / 37°	8.1	19.7	9.8	11.6	1.4
Apr	53° / 41°	5.8	16.6	4	13.4	2.5
May	60° / 47°	4.1	12.8	0.7	15	4.4
Jun	64° / 51°	3.1	10.9	0	15.8	5.5
Jul	70° / 55°	1.5	5.6	0	15.5	7.4
Aug	71° / 56°	1.8	5.7	0	14.1	7.5
Sep	65° / 51°	3.9	9.5	0	12.4	6.1
Oct	55° / 44°	7.9	15.2	0.7	10.6	3.2
Nov	46° / 37°	11.4	19.4	7.7	9	1.0
Dec	41° / 33°	10.0	19	12.2	8.2	0.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 78%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	24	25	25	25	25	25	25	24	23	23	22	22	20	20	19	19	19	19	20	18	18	19	19	20	21	21	22	23	22	23	23
Cloudier (%)	76	75	75	75	75	75	75	76	77	77	78	78	80	80	81	81	81	81	80	82	82	81	81	80	79	79	78	77	78	77	77

	Clearer (%)	Cloudier (%)
1	24	76
2	25	75
3	25	75
4	25	75
5	25	75
6	25	75
7	25	75
8	24	76
9	23	77
10	23	77
11	22	78
12	22	78
13	20	80
14	20	80
15	19	81
16	19	81
17	19	81
18	19	81
19	20	80
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	22	78
30	23	77
31	23	77

Chance of precipitation in December

Any precipitationSnow

Mount Vernon gets around 10.0 in of rain and snow over 19 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 62% and peaks near 65% on the wettest days, and about 12 days bring snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	60	60	60	60	60	60	60	60	61	62	62	63	64	65	65	65	65	65	65	64	64	63	63	62	62	62	62	62	62	62	63
Snow chance (%)	34	35	35	35	36	36	37	37	38	38	39	39	40	41	41	41	42	42	42	42	42	42	41	41	41	40	40	39	39	39	38

	Rain chance (%)	Snow chance (%)
1	60	34
2	60	35
3	60	35
4	60	35
5	60	36
6	60	36
7	60	37
8	60	37
9	61	38
10	62	38
11	62	39
12	63	39
13	64	40
14	65	41
15	65	41
16	65	41
17	65	42
18	65	42
19	65	42
20	64	42
21	64	42
22	63	42
23	63	41
24	62	41
25	62	41
26	62	40
27	62	40
28	62	39
29	62	39
30	62	39
31	63	38

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 5 mph in December, the windiest month of the year.

Across December, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (mph)	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm
31	5	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 24 min at the start of December to 8 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:47 AM to 8:08 AM, and sunset from 4:11 PM to 4:17 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	8.4	8.4	8.3	8.3	8.3	8.3	8.3	8.2	8.2	8.2	8.2	8.2	8.2	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.2
Sunrise (AM)	7:47	7:48	7:49	7:51	7:52	7:53	7:54	7:55	7:56	7:57	7:58	7:59	7:59	8:00	8:01	8:02	8:02	8:03	8:04	8:04	8:05	8:05	8:06	8:06	8:07	8:07	8:07	8:07	8:08	8:08	8:08
Sunset (PM)	4:11	4:11	4:10	4:10	4:10	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:09	4:10	4:10	4:10	4:11	4:11	4:12	4:12	4:13	4:14	4:14	4:15	4:16	4:16	4:17

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.4	7:47	4:11
2	8.4	7:48	4:11
3	8.3	7:49	4:10
4	8.3	7:51	4:10
5	8.3	7:52	4:10
6	8.3	7:53	4:09
7	8.3	7:54	4:09
8	8.2	7:55	4:09
9	8.2	7:56	4:09
10	8.2	7:57	4:09
11	8.2	7:58	4:09
12	8.2	7:59	4:09
13	8.2	7:59	4:09
14	8.1	8:00	4:09
15	8.1	8:01	4:09
16	8.1	8:02	4:09
17	8.1	8:02	4:09
18	8.1	8:03	4:10
19	8.1	8:04	4:10
20	8.1	8:04	4:10
21	8.1	8:05	4:11
22	8.1	8:05	4:11
23	8.1	8:06	4:12
24	8.1	8:06	4:12
25	8.1	8:07	4:13
26	8.1	8:07	4:14
27	8.1	8:07	4:14
28	8.1	8:07	4:15
29	8.1	8:08	4:16
30	8.1	8:08	4:16
31	8.2	8:08	4:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 6.27 kWh/m² in July across the year — December's 0.85 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.9	0.9	0.9	0.9
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	0.9	Dim
2	0.9	Dim
3	0.9	Dim
4	0.9	Dim
5	0.9	Dim
6	0.9	Dim
7	0.9	Dim
8	0.8	Dim
9	0.8	Dim
10	0.8	Dim
11	0.8	Dim
12	0.8	Dim
13	0.8	Dim
14	0.8	Dim
15	0.8	Dim
16	0.8	Dim
17	0.8	Dim
18	0.8	Dim
19	0.8	Dim
20	0.8	Dim
21	0.8	Dim
22	0.8	Dim
23	0.8	Dim
24	0.8	Dim
25	0.8	Dim
26	0.8	Dim
27	0.8	Dim
28	0.9	Dim
29	0.9	Dim
30	0.9	Dim
31	0.9	Dim

Planning a trip in December

Hazard calendar for Mount Vernon

In seasonPeak

In December, Mount Vernon sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mount Vernon's rainy season runs October–April, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Mount Vernon?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.1

Sightseeing

12th-best month of the year

0.0

Beach & pool

8th-best month of the year

December is a weaker month for outdoor sightseeing in Mount Vernon.

What to pack for Mount Vernon in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Mount Vernon sees daytime highs around 41°F and nights near 33°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 19 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Mount Vernon in December

The nearest coast averages about 47°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 mi away) is warmest in August at about 54°F and coldest in February near 46°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°F)	46	46	47	48	50	52	53	54	53	50	49	47
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°F)	Comfort
Jan	46	Bracing
Feb	46	Bracing
Mar	47	Bracing
Apr	48	Bracing
May	50	Bracing
Jun	52	Bracing
Jul	53	Bracing
Aug	54	Bracing
Sep	53	Bracing
Oct	50	Bracing
Nov	49	Bracing
Dec	47	Bracing

UV index in Mount Vernon in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mount Vernon peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	4	5	7	6	8	6	4	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	4	Moderate
Apr	5	Moderate
May	7	High
Jun	6	High
Jul	8	Very high
Aug	6	High
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Mount Vernon in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Mount Vernon is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	7	9	12	12	12	11	11	18	18	12	7	6
Level	Good	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	7	Good
Feb	9	Good
Mar	12	Good
Apr	12	Good
May	12	Good
Jun	11	Good
Jul	11	Good
Aug	18	Moderate
Sep	18	Moderate
Oct	12	Good
Nov	7	Good
Dec	6	Good

Location & terrain

Where is Mount Vernon?

Mount Vernon sits at 48.4°N, 122.3°W, 95 ft above sea level, in United States. The nearest listed city is Anacortes, 14 mi away.

Topography around Mount Vernon

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Mount Vernon.

Within 2 miles, the terrain around Mount Vernon has significant variations in elevation — a maximum elevation change of 938 ft around an average of 89 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,045 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,755 ft.

The land around Mount Vernon is covered by trees (29%), grassland (28%) and artificial surfaces (27%) within 2 miles, trees (41%) and grassland (25%) within 10 miles, and trees (57%) and water (29%) within 50 miles.

2 miles

938 ft

trees 29%

10 miles

4,045 ft

trees 41%

50 miles

10,755 ft

trees 57%

treesgrasslandcroplandartificial surfacesbare terrainsnow and icewaterwetland

← November Mount Vernon year-round climate January →Best places to visit in December

December weather nearby: Anacortes 14 mi · Oak Harbor 17 mi · Arlington 18 mi · Bellingham 24 mi · Marysville 27 mi · Lake Stevens 30 mi · Everett 31 mi · West Lake Stevens 32 mi

United States travel facts

Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 100% of US; price level, 2025
GDP per capita: $90,027; 2025
Happiness: 6.8 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 5.8; per 100k, 2023
Road deaths: 12.7; per 100k/yr, 2019
Income group: High; World Bank
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mount Vernon (48.4212°, -122.3341°, elevation 95 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	42	34
2	42	34
3	42	34
4	42	34
5	42	34
6	42	34
7	42	34
8	42	34
9	42	34
10	41	34
11	41	34
12	41	34
13	41	34
14	41	34
15	41	34
16	41	33
17	41	33
18	41	33
19	41	33
20	41	33
21	41	33
22	41	33
23	40	33
24	40	33
25	40	33
26	40	33
27	40	33
28	40	33
29	40	33
30	40	33
31	40	33

	Clearer (%)	Cloudier (%)
1	24	76
2	25	75
3	25	75
4	25	75
5	25	75
6	25	75
7	25	75
8	24	76
9	23	77
10	23	77
11	22	78
12	22	78
13	20	80
14	20	80
15	19	81
16	19	81
17	19	81
18	19	81
19	20	80
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	22	78
30	23	77
31	23	77

	Rain chance (%)	Snow chance (%)
1	60	34
2	60	35
3	60	35
4	60	35
5	60	36
6	60	36
7	60	37
8	60	37
9	61	38
10	62	38
11	62	39
12	63	39
13	64	40
14	65	41
15	65	41
16	65	41
17	65	42
18	65	42
19	65	42
20	64	42
21	64	42
22	63	42
23	63	41
24	62	41
25	62	41
26	62	40
27	62	40
28	62	39
29	62	39
30	62	39
31	63	38

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	0.9	Dim
2	0.9	Dim
3	0.9	Dim
4	0.9	Dim
5	0.9	Dim
6	0.9	Dim
7	0.9	Dim
8	0.8	Dim
9	0.8	Dim
10	0.8	Dim
11	0.8	Dim
12	0.8	Dim
13	0.8	Dim
14	0.8	Dim
15	0.8	Dim
16	0.8	Dim
17	0.8	Dim
18	0.8	Dim
19	0.8	Dim
20	0.8	Dim
21	0.8	Dim
22	0.8	Dim
23	0.8	Dim
24	0.8	Dim
25	0.8	Dim
26	0.8	Dim
27	0.8	Dim
28	0.9	Dim
29	0.9	Dim
30	0.9	Dim
31	0.9	Dim

	Avg high (°F)	Avg low (°F)
1	42	34
2	42	34
3	42	34
4	42	34
5	42	34
6	42	34
7	42	34
8	42	34
9	42	34
10	41	34
11	41	34
12	41	34
13	41	34
14	41	34
15	41	34
16	41	33
17	41	33
18	41	33
19	41	33
20	41	33
21	41	33
22	41	33
23	40	33
24	40	33
25	40	33
26	40	33
27	40	33
28	40	33
29	40	33
30	40	33
31	40	33

	Clearer (%)	Cloudier (%)
1	24	76
2	25	75
3	25	75
4	25	75
5	25	75
6	25	75
7	25	75
8	24	76
9	23	77
10	23	77
11	22	78
12	22	78
13	20	80
14	20	80
15	19	81
16	19	81
17	19	81
18	19	81
19	20	80
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	22	78
30	23	77
31	23	77

	Rain chance (%)	Snow chance (%)
1	60	34
2	60	35
3	60	35
4	60	35
5	60	36
6	60	36
7	60	37
8	60	37
9	61	38
10	62	38
11	62	39
12	63	39
13	64	40
14	65	41
15	65	41
16	65	41
17	65	42
18	65	42
19	65	42
20	64	42
21	64	42
22	63	42
23	63	41
24	62	41
25	62	41
26	62	40
27	62	40
28	62	39
29	62	39
30	62	39
31	63	38

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	0.9	Dim
2	0.9	Dim
3	0.9	Dim
4	0.9	Dim
5	0.9	Dim
6	0.9	Dim
7	0.9	Dim
8	0.8	Dim
9	0.8	Dim
10	0.8	Dim
11	0.8	Dim
12	0.8	Dim
13	0.8	Dim
14	0.8	Dim
15	0.8	Dim
16	0.8	Dim
17	0.8	Dim
18	0.8	Dim
19	0.8	Dim
20	0.8	Dim
21	0.8	Dim
22	0.8	Dim
23	0.8	Dim
24	0.8	Dim
25	0.8	Dim
26	0.8	Dim
27	0.8	Dim
28	0.9	Dim
29	0.9	Dim
30	0.9	Dim
31	0.9	Dim

	Avg high (°F)	Avg low (°F)
1	42	34
2	42	34
3	42	34
4	42	34
5	42	34
6	42	34
7	42	34
8	42	34
9	42	34
10	41	34
11	41	34
12	41	34
13	41	34
14	41	34
15	41	34
16	41	33
17	41	33
18	41	33
19	41	33
20	41	33
21	41	33
22	41	33
23	40	33
24	40	33
25	40	33
26	40	33
27	40	33
28	40	33
29	40	33
30	40	33
31	40	33

	Clearer (%)	Cloudier (%)
1	24	76
2	25	75
3	25	75
4	25	75
5	25	75
6	25	75
7	25	75
8	24	76
9	23	77
10	23	77
11	22	78
12	22	78
13	20	80
14	20	80
15	19	81
16	19	81
17	19	81
18	19	81
19	20	80
20	18	82
21	18	82
22	19	81
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	22	78
30	23	77
31	23	77

	Rain chance (%)	Snow chance (%)
1	60	34
2	60	35
3	60	35
4	60	35
5	60	36
6	60	36
7	60	37
8	60	37
9	61	38
10	62	38
11	62	39
12	63	39
13	64	40
14	65	41
15	65	41
16	65	41
17	65	42
18	65	42
19	65	42
20	64	42
21	64	42
22	63	42
23	63	41
24	62	41
25	62	41
26	62	40
27	62	40
28	62	39
29	62	39
30	62	39
31	63	38

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Solar energy (kWh/m²)	Level
1	0.9	Dim
2	0.9	Dim
3	0.9	Dim
4	0.9	Dim
5	0.9	Dim
6	0.9	Dim
7	0.9	Dim
8	0.8	Dim
9	0.8	Dim
10	0.8	Dim
11	0.8	Dim
12	0.8	Dim
13	0.8	Dim
14	0.8	Dim
15	0.8	Dim
16	0.8	Dim
17	0.8	Dim
18	0.8	Dim
19	0.8	Dim
20	0.8	Dim
21	0.8	Dim
22	0.8	Dim
23	0.8	Dim
24	0.8	Dim
25	0.8	Dim
26	0.8	Dim
27	0.8	Dim
28	0.9	Dim
29	0.9	Dim
30	0.9	Dim
31	0.9	Dim