Alliston weather in December

In December, Alliston sees average daytime highs of 0°C and overnight lows near -7°C, with 57 mm of precipitation across 10.9 wet days and about 8.7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 2°C in the first days to -1°C by the end. The sky is clear or mostly clear about 6% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 54 min at the start of December to 8 h 42 min by month's end. Set against the rest of the year, December is Alliston's 11th-clearest and 6th-windiest month. For the whole year in context, see Alliston's year-round climate.

Daytime high: 0°; 10th warmest
Overnight low: -7°; 3rd coldest
Precipitation: 57 mm; 10.9 wet days
Daylight: 8 h 42 min; 7:55 AM – 4:37 PM
Cloud cover: 82%; 11th clearest
Wind: 13 km/h; 6th windiest
Solar energy: 1.24 kWh/m²
Travel score: 0.0; out of 10

Alliston is settlement in Simcoe County, Ontario, Canada.

Founded: 1874

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

← November Alliston 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

Highs ease over the month, from about 2°C in the first days to -1°C by the end.

A typical December day in Alliston reaches about 0°C in the afternoon and slips back to -7°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -7°C and 7°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than 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 (°C)	3	3	2	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1
Avg low (°C)	-4	-4	-4	-5	-5	-5	-5	-5	-6	-6	-6	-6	-6	-6	-7	-7	-7	-7	-7	-7	-7	-7	-7	-7	-8	-8	-8	-8	-8	-8	-8

	Avg high (°C)	Avg low (°C)
1	3	-4
2	3	-4
3	2	-4
4	2	-5
5	2	-5
6	2	-5
7	1	-5
8	1	-5
9	1	-6
10	1	-6
11	1	-6
12	1	-6
13	0	-6
14	0	-6
15	0	-7
16	0	-7
17	0	-7
18	0	-7
19	0	-7
20	0	-7
21	0	-7
22	-1	-7
23	-1	-7
24	-1	-7
25	-1	-8
26	-1	-8
27	-1	-8
28	-1	-8
29	-1	-8
30	-1	-8
31	-1	-8

How December really feels in Alliston

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

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

26 feel bitter (≤ -10°C)

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

Alliston weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-3° / -11°	56	10.4	10.2	9.1	0.0
Feb	-2° / -11°	46	8.4	7.6	10.2	0.0
Mar	4° / -5°	54	10.1	6.1	11.6	0.2
Apr	11° / 1°	74	10.8	2.7	13.2	2.8
May	18° / 7°	80	10.7	0	14.5	5.7
Jun	23° / 13°	83	10.9	0	15.2	6.7
Jul	26° / 15°	75	10.6	0	15	6.7
Aug	25° / 14°	76	9.8	0	13.8	7.0
Sep	21° / 10°	71	9.7	0	12.3	6.5
Oct	13° / 5°	73	11.2	0.4	10.8	3.6
Nov	6° / -1°	67	10.7	4.1	9.4	0.6
Dec	0° / -7°	57	10.9	9	8.7	0.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 86%.

	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 (%)	16	15	15	15	16	16	16	16	14	14	14	14	13	13	13	14	14	12	13	13	13	13	13	13	12	12	12	12	12	11	11
Cloudier (%)	84	85	85	85	84	84	84	84	86	86	86	86	87	87	87	86	86	88	87	87	87	87	87	87	88	88	88	88	88	89	89

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	16	84
6	16	84
7	16	84
8	16	84
9	14	86
10	14	86
11	14	86
12	14	86
13	13	87
14	13	87
15	13	87
16	14	86
17	14	86
18	12	88
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

Chance of precipitation in December

Any precipitationSnow

Alliston gets around 57 mm of rain and snow over 10.9 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 35% and peaks near 38% on the wettest days, and about 9 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 (%)	38	38	38	38	38	37	37	37	36	36	35	35	35	34	34	34	34	34	34	34	34	34	34	34	34	34	35	35	35	36	36
Snow chance (%)	24	25	25	26	27	27	28	28	29	29	29	29	29	30	30	29	29	29	29	29	29	29	29	29	29	29	29	30	30	31	31

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

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 13 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 13 km/h 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 (km/h)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 54 min at the start of December to 8 h 42 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 7:41 AM to 8:01 AM, and sunset from 4:37 PM to 4:44 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)	8.9	8.9	8.9	8.9	8.8	8.8	8.8	8.8	8.8	8.8	8.8	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7	8.7
Sunrise (AM)	7:41	7:42	7:43	7:44	7:45	7:46	7:47	7:48	7:49	7:50	7:51	7:52	7:52	7:53	7:54	7:55	7:55	7:56	7:56	7:57	7:58	7:58	7:58	7:59	7:59	8:00	8:00	8:00	8:00	8:01	8:01
Sunset (PM)	4:37	4:37	4:37	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:36	4:37	4:37	4:37	4:38	4:38	4:38	4:39	4:39	4:40	4:40	4:41	4:42	4:42	4:43	4:44	4:44

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.9	7:41	4:37
2	8.9	7:42	4:37
3	8.9	7:43	4:37
4	8.9	7:44	4:36
5	8.8	7:45	4:36
6	8.8	7:46	4:36
7	8.8	7:47	4:36
8	8.8	7:48	4:36
9	8.8	7:49	4:36
10	8.8	7:50	4:36
11	8.8	7:51	4:36
12	8.7	7:52	4:36
13	8.7	7:52	4:36
14	8.7	7:53	4:36
15	8.7	7:54	4:36
16	8.7	7:55	4:37
17	8.7	7:55	4:37
18	8.7	7:56	4:37
19	8.7	7:56	4:38
20	8.7	7:57	4:38
21	8.7	7:58	4:38
22	8.7	7:58	4:39
23	8.7	7:58	4:39
24	8.7	7:59	4:40
25	8.7	7:59	4:40
26	8.7	8:00	4:41
27	8.7	8:00	4:42
28	8.7	8:00	4:42
29	8.7	8:00	4:43
30	8.7	8:01	4:44
31	8.7	8:01	4:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.24 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 6.3 kWh/m² in June across the year — December's 1.24 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)	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.3	1.3	1.3	1.3
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	1.3	Dim
2	1.3	Dim
3	1.3	Dim
4	1.3	Dim
5	1.3	Dim
6	1.3	Dim
7	1.3	Dim
8	1.3	Dim
9	1.3	Dim
10	1.3	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.2	Dim
17	1.2	Dim
18	1.2	Dim
19	1.2	Dim
20	1.2	Dim
21	1.2	Dim
22	1.2	Dim
23	1.2	Dim
24	1.2	Dim
25	1.2	Dim
26	1.2	Dim
27	1.2	Dim
28	1.3	Dim
29	1.3	Dim
30	1.3	Dim
31	1.3	Dim

Planning a trip in December

Is December a good time to visit Alliston?

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

0.0

Sightseeing

10th-best month of the year

0.0

Beach & pool

8th-best month of the year

December is a weaker month for outdoor sightseeing in Alliston.

What to pack for Alliston in December

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

In December, Alliston sees daytime highs around 0°C and nights near -7°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Alliston in December

The nearest coast averages about 6°C 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 57 km away) is warmest in August at about 21°C and coldest in March near 1°C.

It's comfortable for a long swim from Aug 9 to Aug 24 — about 0.5 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	3	2	1	2	5	11	19	21	19	13	9	6
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Refreshing	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	3	Bracing
Feb	2	Bracing
Mar	1	Bracing
Apr	2	Bracing
May	5	Bracing
Jun	11	Bracing
Jul	19	Cool
Aug	21	Refreshing
Sep	19	Cool
Oct	13	Bracing
Nov	9	Bracing
Dec	6	Bracing

UV index in Alliston 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 Alliston peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	6	8	8	7	5	3	2	1
Level	Low	Low	Moderate	High	High	Very high	Very high	High	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	4	Moderate
Apr	5	High
May	6	High
Jun	8	Very high
Jul	8	Very high
Aug	7	High
Sep	5	High
Oct	3	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Alliston 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 Alliston is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 9 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)	11	14	16	17	19	18	18	16	14	10	9	9
Level	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	11	Good
Feb	14	Moderate
Mar	16	Moderate
Apr	17	Moderate
May	19	Moderate
Jun	18	Moderate
Jul	18	Moderate
Aug	16	Moderate
Sep	14	Moderate
Oct	10	Good
Nov	9	Good
Dec	9	Good

Location & terrain

Where is Alliston?

Alliston sits at 44.2°N, 79.9°W, 223 m above sea level, in Canada. The nearest listed city is Innisfil, 24 km away.

Topography around Alliston

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alliston.

Within 3 km, the terrain around Alliston has only modest variations in elevation — a maximum elevation change of 71 m around an average of 227 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 266 m; within 80 km, significant variations in elevation — a maximum elevation change of 471 m.

The land around Alliston is covered by cropland (37%), grassland (24%) and trees (20%) within 3 km, cropland (42%), trees (35%) and grassland (21%) within 16 km, and trees (37%) and cropland (29%) within 80 km.

3 km

71 m

cropland 37%

16 km

266 m

cropland 42%

80 km

471 m

trees 37%

treesgrasslandcroplandartificial surfacesbare terrainwater

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

December weather nearby: Innisfil 24 km · Bolton 32 km · Orangeville 32 km · Barrie 32 km · Caledon 33 km · Keswick 34 km · Newmarket 34 km · East Gwillimbury 35 km

Canada travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 83% of US; price level, 2025
GDP per capita: $55,698; 2025
Happiness: 6.7 / 10; World Happiness, 2025
Safe drinking water: 97%; of population, 2024
Homicide rate: 2; per 100k, 2023
Road deaths: 5.3; 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 Alliston (44.1501°, -79.8663°, elevation 223 m), 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 (°C)	Avg low (°C)
1	3	-4
2	3	-4
3	2	-4
4	2	-5
5	2	-5
6	2	-5
7	1	-5
8	1	-5
9	1	-6
10	1	-6
11	1	-6
12	1	-6
13	0	-6
14	0	-6
15	0	-7
16	0	-7
17	0	-7
18	0	-7
19	0	-7
20	0	-7
21	0	-7
22	-1	-7
23	-1	-7
24	-1	-7
25	-1	-8
26	-1	-8
27	-1	-8
28	-1	-8
29	-1	-8
30	-1	-8
31	-1	-8

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	16	84
6	16	84
7	16	84
8	16	84
9	14	86
10	14	86
11	14	86
12	14	86
13	13	87
14	13	87
15	13	87
16	14	86
17	14	86
18	12	88
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

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

	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	1.3	Dim
2	1.3	Dim
3	1.3	Dim
4	1.3	Dim
5	1.3	Dim
6	1.3	Dim
7	1.3	Dim
8	1.3	Dim
9	1.3	Dim
10	1.3	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.2	Dim
17	1.2	Dim
18	1.2	Dim
19	1.2	Dim
20	1.2	Dim
21	1.2	Dim
22	1.2	Dim
23	1.2	Dim
24	1.2	Dim
25	1.2	Dim
26	1.2	Dim
27	1.2	Dim
28	1.3	Dim
29	1.3	Dim
30	1.3	Dim
31	1.3	Dim

	Avg high (°C)	Avg low (°C)
1	3	-4
2	3	-4
3	2	-4
4	2	-5
5	2	-5
6	2	-5
7	1	-5
8	1	-5
9	1	-6
10	1	-6
11	1	-6
12	1	-6
13	0	-6
14	0	-6
15	0	-7
16	0	-7
17	0	-7
18	0	-7
19	0	-7
20	0	-7
21	0	-7
22	-1	-7
23	-1	-7
24	-1	-7
25	-1	-8
26	-1	-8
27	-1	-8
28	-1	-8
29	-1	-8
30	-1	-8
31	-1	-8

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	16	84
6	16	84
7	16	84
8	16	84
9	14	86
10	14	86
11	14	86
12	14	86
13	13	87
14	13	87
15	13	87
16	14	86
17	14	86
18	12	88
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

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

	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	1.3	Dim
2	1.3	Dim
3	1.3	Dim
4	1.3	Dim
5	1.3	Dim
6	1.3	Dim
7	1.3	Dim
8	1.3	Dim
9	1.3	Dim
10	1.3	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.2	Dim
17	1.2	Dim
18	1.2	Dim
19	1.2	Dim
20	1.2	Dim
21	1.2	Dim
22	1.2	Dim
23	1.2	Dim
24	1.2	Dim
25	1.2	Dim
26	1.2	Dim
27	1.2	Dim
28	1.3	Dim
29	1.3	Dim
30	1.3	Dim
31	1.3	Dim

	Avg high (°C)	Avg low (°C)
1	3	-4
2	3	-4
3	2	-4
4	2	-5
5	2	-5
6	2	-5
7	1	-5
8	1	-5
9	1	-6
10	1	-6
11	1	-6
12	1	-6
13	0	-6
14	0	-6
15	0	-7
16	0	-7
17	0	-7
18	0	-7
19	0	-7
20	0	-7
21	0	-7
22	-1	-7
23	-1	-7
24	-1	-7
25	-1	-8
26	-1	-8
27	-1	-8
28	-1	-8
29	-1	-8
30	-1	-8
31	-1	-8

	Clearer (%)	Cloudier (%)
1	16	84
2	15	85
3	15	85
4	15	85
5	16	84
6	16	84
7	16	84
8	16	84
9	14	86
10	14	86
11	14	86
12	14	86
13	13	87
14	13	87
15	13	87
16	14	86
17	14	86
18	12	88
19	13	87
20	13	87
21	13	87
22	13	87
23	13	87
24	13	87
25	12	88
26	12	88
27	12	88
28	12	88
29	12	88
30	11	89
31	11	89

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

	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	1.3	Dim
2	1.3	Dim
3	1.3	Dim
4	1.3	Dim
5	1.3	Dim
6	1.3	Dim
7	1.3	Dim
8	1.3	Dim
9	1.3	Dim
10	1.3	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.2	Dim
17	1.2	Dim
18	1.2	Dim
19	1.2	Dim
20	1.2	Dim
21	1.2	Dim
22	1.2	Dim
23	1.2	Dim
24	1.2	Dim
25	1.2	Dim
26	1.2	Dim
27	1.2	Dim
28	1.3	Dim
29	1.3	Dim
30	1.3	Dim
31	1.3	Dim