Grantham weather in December

In December, Grantham sees average daytime highs of 7°C and overnight lows near 3°C, with 53 mm of precipitation across 11.1 wet days and about 7.4 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 42 min at the start of December to 7 h 24 min by month's end. Set against the rest of the year, December is Grantham's 4th-clearest and 3rd-windiest month. For the whole year in context, see Grantham's year-round climate.

Daytime high: 7°; 11th warmest
Overnight low: 3°; 3rd coldest
Precipitation: 53 mm; 11.1 wet days
Daylight: 7 h 24 min; 8:18 AM – 3:40 PM
Cloud cover: 71%; 4th clearest
Wind: 18 km/h; 3rd windiest
Solar energy: 0.58 kWh/m²
Travel score: 1.0; out of 10

Grantham is market town and civil parish in South Kesteven, Lincolnshire, England.

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

← November Grantham 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 7°C through the month.

A typical December day in Grantham reaches about 7°C in the afternoon and slips back to 3°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, December runs about 3°C 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 (°C)	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
Avg low (°C)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2

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

How December really feels in Grantham

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

wind chill below the day's low

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

Grantham weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	7° / 2°	48	11.3	1.1	7.9	0.8
Feb	8° / 2°	38	9.5	1.4	9.5	1.2
Mar	10° / 3°	44	10.2	0.9	11.5	2.2
Apr	13° / 5°	51	11.1	0.2	13.6	3.4
May	16° / 8°	53	10.8	0	15.5	4.7
Jun	19° / 11°	64	11.3	0	16.6	5.6
Jul	21° / 13°	63	10.9	0	16.1	6.2
Aug	21° / 13°	65	11	0	14.5	6.1
Sep	18° / 10°	54	9.4	0	12.4	5.7
Oct	14° / 8°	60	10.9	0	10.3	3.9
Nov	10° / 5°	56	11	0.2	8.4	2.1
Dec	7° / 3°	53	11.1	1.1	7.4	1.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 68%.

	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 (%)	33	33	34	35	36	36	36	36	35	35	35	34	33	33	31	31	30	30	29	29	29	29	30	31	31	31	31	31	31	31	32
Cloudier (%)	67	67	66	65	64	64	64	64	65	65	65	66	67	67	69	69	70	70	71	71	71	71	70	69	69	69	69	69	69	69	68

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	35	65
5	36	64
6	36	64
7	36	64
8	36	64
9	35	65
10	35	65
11	35	65
12	34	66
13	33	67
14	33	67
15	31	69
16	31	69
17	30	70
18	30	70
19	29	71
20	29	71
21	29	71
22	29	71
23	30	70
24	31	69
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69
31	32	68

Chance of precipitation in December

Any precipitationSnow

Grantham gets around 53 mm of rain and snow over 11.1 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 36% and peaks near 38% on the wettest days, and about 1 day brings 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 (%)	34	34	34	34	34	34	34	34	34	34	34	35	35	35	36	36	36	36	36	36	36	37	37	37	37	37	37	38	38	38	38
Snow chance (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	4	4	4	5	5	5	5	5	5	5	5

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

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 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 18 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)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18
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	18	light breeze
2	18	light breeze
3	18	light breeze
4	18	light breeze
5	18	light breeze
6	18	light breeze
7	18	light breeze
8	18	light breeze
9	18	light breeze
10	18	light breeze
11	18	light breeze
12	18	light breeze
13	18	light breeze
14	18	light breeze
15	18	light breeze
16	18	light breeze
17	18	light breeze
18	18	light breeze
19	18	light breeze
20	18	light breeze
21	18	light breeze
22	18	light breeze
23	18	light breeze
24	18	light breeze
25	18	light breeze
26	18	light breeze
27	18	light breeze
28	18	light breeze
29	18	light breeze
30	18	light breeze
31	18	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 42 min at the start of December to 7 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:01 AM to 8:24 AM, and sunset from 3:44 PM to 3:48 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)	7.7	7.7	7.6	7.6	7.6	7.6	7.5	7.5	7.5	7.5	7.4	7.4	7.4	7.4	7.4	7.4	7.4	7.3	7.3	7.3	7.3	7.3	7.3	7.3	7.3	7.3	7.4	7.4	7.4	7.4	7.4
Sunrise (AM)	8:01	8:02	8:04	8:05	8:06	8:08	8:09	8:10	8:11	8:12	8:13	8:14	8:15	8:16	8:17	8:18	8:19	8:19	8:20	8:20	8:21	8:22	8:22	8:22	8:23	8:23	8:23	8:23	8:23	8:24	8:24
Sunset (PM)	3:44	3:43	3:42	3:42	3:41	3:41	3:41	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:40	3:41	3:41	3:42	3:42	3:43	3:43	3:44	3:45	3:45	3:46	3:47	3:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	7.7	8:01	3:44
2	7.7	8:02	3:43
3	7.6	8:04	3:42
4	7.6	8:05	3:42
5	7.6	8:06	3:41
6	7.6	8:08	3:41
7	7.5	8:09	3:41
8	7.5	8:10	3:40
9	7.5	8:11	3:40
10	7.5	8:12	3:40
11	7.4	8:13	3:40
12	7.4	8:14	3:40
13	7.4	8:15	3:40
14	7.4	8:16	3:40
15	7.4	8:17	3:40
16	7.4	8:18	3:40
17	7.4	8:19	3:40
18	7.3	8:19	3:40
19	7.3	8:20	3:40
20	7.3	8:20	3:41
21	7.3	8:21	3:41
22	7.3	8:22	3:42
23	7.3	8:22	3:42
24	7.3	8:22	3:43
25	7.3	8:23	3:43
26	7.3	8:23	3:44
27	7.4	8:23	3:45
28	7.4	8:23	3:45
29	7.4	8:23	3:46
30	7.4	8:24	3:47
31	7.4	8:24	3:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 4.95 kWh/m² in June across the year — December's 0.58 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)	0.7	0.7	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
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	0.7	Dim
2	0.7	Dim
3	0.6	Dim
4	0.6	Dim
5	0.6	Dim
6	0.6	Dim
7	0.6	Dim
8	0.6	Dim
9	0.6	Dim
10	0.6	Dim
11	0.6	Dim
12	0.6	Dim
13	0.6	Dim
14	0.6	Dim
15	0.6	Dim
16	0.6	Dim
17	0.6	Dim
18	0.6	Dim
19	0.6	Dim
20	0.6	Dim
21	0.6	Dim
22	0.6	Dim
23	0.6	Dim
24	0.6	Dim
25	0.6	Dim
26	0.6	Dim
27	0.6	Dim
28	0.6	Dim
29	0.6	Dim
30	0.6	Dim
31	0.6	Dim

Planning a trip in December

Is December a good time to visit Grantham?

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

1.0

Sightseeing

11th-best month of the year

0.0

Beach & pool

8th-best month of the year

December is a weaker month for outdoor sightseeing in Grantham.

What to pack for Grantham in December

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

In December, Grantham sees daytime highs around 7°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Grantham in December

The nearest coast averages about 7°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 68 km away) is warmest in August at about 18°C and coldest in February near 5°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	6	5	6	8	11	14	17	18	16	13	10	7
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	6	Bracing
Feb	5	Bracing
Mar	6	Bracing
Apr	8	Bracing
May	11	Bracing
Jun	14	Bracing
Jul	17	Cool
Aug	18	Cool
Sep	16	Cool
Oct	13	Bracing
Nov	10	Bracing
Dec	7	Bracing

UV index in Grantham 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 Grantham peaks around August 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

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

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

Location & terrain

Where is Grantham?

Grantham sits at 52.9°N, 0.6°W, 64 m above sea level, in United Kingdom. The nearest listed city is Sleaford, 18 km away.

Topography around Grantham

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

Within 3 km, the terrain around Grantham has only modest variations in elevation — a maximum elevation change of 90 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, significant variations in elevation — a maximum elevation change of 494 m.

The land around Grantham is covered by cropland (31%), artificial surfaces (26%) and trees (22%) within 3 km, cropland (66%) and grassland (21%) within 16 km, and cropland (53%) and grassland (25%) within 80 km.

3 km

90 m

cropland 31%

16 km

170 m

cropland 66%

80 km

494 m

cropland 53%

treesgrasslandcroplandartificial surfaceswater

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

December weather nearby: Sleaford 18 km · Newark on Trent 21 km · Melton Mowbray 23 km · Stamford 31 km · West Bridgford 32 km · Arnold 34 km · Nottingham 34 km · Spalding 36 km

United Kingdom travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type D / G / M; 230 V · 50 Hz
Prices: ≈ 89% of US; price level, 2025
GDP per capita: $57,602; 2025
Happiness: 6.7 / 10; World Happiness, 2025
Safe drinking water: 100%; of population, 2024
Homicide rate: 1.1; per 100k, 2021
Road deaths: 3.2; 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 Grantham (52.9115°, -0.6418°, elevation 64 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. 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	8	3
2	8	3
3	8	3
4	8	3
5	8	3
6	8	3
7	8	3
8	8	3
9	8	3
10	8	3
11	7	3
12	7	3
13	7	3
14	7	3
15	7	3
16	7	3
17	7	3
18	7	3
19	7	2
20	7	2
21	7	2
22	7	2
23	7	2
24	7	2
25	7	2
26	7	2
27	7	2
28	7	2
29	7	2
30	7	2
31	7	2

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	35	65
5	36	64
6	36	64
7	36	64
8	36	64
9	35	65
10	35	65
11	35	65
12	34	66
13	33	67
14	33	67
15	31	69
16	31	69
17	30	70
18	30	70
19	29	71
20	29	71
21	29	71
22	29	71
23	30	70
24	31	69
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69
31	32	68

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

	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	0.7	Dim
2	0.7	Dim
3	0.6	Dim
4	0.6	Dim
5	0.6	Dim
6	0.6	Dim
7	0.6	Dim
8	0.6	Dim
9	0.6	Dim
10	0.6	Dim
11	0.6	Dim
12	0.6	Dim
13	0.6	Dim
14	0.6	Dim
15	0.6	Dim
16	0.6	Dim
17	0.6	Dim
18	0.6	Dim
19	0.6	Dim
20	0.6	Dim
21	0.6	Dim
22	0.6	Dim
23	0.6	Dim
24	0.6	Dim
25	0.6	Dim
26	0.6	Dim
27	0.6	Dim
28	0.6	Dim
29	0.6	Dim
30	0.6	Dim
31	0.6	Dim

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

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	35	65
5	36	64
6	36	64
7	36	64
8	36	64
9	35	65
10	35	65
11	35	65
12	34	66
13	33	67
14	33	67
15	31	69
16	31	69
17	30	70
18	30	70
19	29	71
20	29	71
21	29	71
22	29	71
23	30	70
24	31	69
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69
31	32	68

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

	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	0.7	Dim
2	0.7	Dim
3	0.6	Dim
4	0.6	Dim
5	0.6	Dim
6	0.6	Dim
7	0.6	Dim
8	0.6	Dim
9	0.6	Dim
10	0.6	Dim
11	0.6	Dim
12	0.6	Dim
13	0.6	Dim
14	0.6	Dim
15	0.6	Dim
16	0.6	Dim
17	0.6	Dim
18	0.6	Dim
19	0.6	Dim
20	0.6	Dim
21	0.6	Dim
22	0.6	Dim
23	0.6	Dim
24	0.6	Dim
25	0.6	Dim
26	0.6	Dim
27	0.6	Dim
28	0.6	Dim
29	0.6	Dim
30	0.6	Dim
31	0.6	Dim

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

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	35	65
5	36	64
6	36	64
7	36	64
8	36	64
9	35	65
10	35	65
11	35	65
12	34	66
13	33	67
14	33	67
15	31	69
16	31	69
17	30	70
18	30	70
19	29	71
20	29	71
21	29	71
22	29	71
23	30	70
24	31	69
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69
31	32	68

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

	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	0.7	Dim
2	0.7	Dim
3	0.6	Dim
4	0.6	Dim
5	0.6	Dim
6	0.6	Dim
7	0.6	Dim
8	0.6	Dim
9	0.6	Dim
10	0.6	Dim
11	0.6	Dim
12	0.6	Dim
13	0.6	Dim
14	0.6	Dim
15	0.6	Dim
16	0.6	Dim
17	0.6	Dim
18	0.6	Dim
19	0.6	Dim
20	0.6	Dim
21	0.6	Dim
22	0.6	Dim
23	0.6	Dim
24	0.6	Dim
25	0.6	Dim
26	0.6	Dim
27	0.6	Dim
28	0.6	Dim
29	0.6	Dim
30	0.6	Dim
31	0.6	Dim