Voiron weather in January

In January, Voiron sees average daytime highs of 6°C and overnight lows near -2°C, with 105 mm of precipitation across 12.8 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 24% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Voiron's 10th-clearest and 11th-windiest month. For the whole year in context, see Voiron's year-round climate.

Daytime high: 6°; 12th warmest
Overnight low: -2°; 1st coldest
Precipitation: 105 mm; 12.8 wet days
Daylight: 8 h 54 min; 8:20 AM – 5:14 PM
Cloud cover: 65%; 10th clearest
Wind: 6 km/h; 11th windiest
Solar energy: 1.47 kWh/m²
Travel score: 0.3; out of 10

Air quality: Excellent; PM10 15 µg/m³ · 2019

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

← December Voiron year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 6°C through the month.

A typical January day in Voiron reaches about 6°C in the afternoon and slips back to -2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 11°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

	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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Avg low (°C)	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2

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

How January really feels in Voiron

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Voiron weather by month

How January compares with the rest of the year at a glance. January is the 12th-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	6° / -2°	105	12.8	6.4	8.9	0.3
Feb	7° / -1°	92	11.3	5.7	10.1	0.9
Mar	12° / 2°	96	12.4	3.7	11.6	2.9
Apr	15° / 5°	112	13.6	2.1	13.2	4.1
May	19° / 9°	133	15.3	0.3	14.6	5.3
Jun	23° / 13°	108	13.2	0	15.4	6.3
Jul	25° / 15°	97	10.9	0	15.1	7.0
Aug	25° / 14°	94	10.7	0	13.9	7.0
Sep	20° / 11°	103	10.6	0	12.3	6.3
Oct	16° / 7°	111	11.5	0.3	10.7	4.7
Nov	10° / 3°	132	13.1	3.3	9.3	2.0
Dec	6° / -1°	116	13.1	6	8.6	0.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 63%.

	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 (%)	35	35	35	36	36	36	37	37	38	38	38	38	38	38	37	37	37	37	37	37	37	36	37	37	37	37	38	38	38	38	38
Cloudier (%)	65	65	65	64	64	64	63	63	62	62	62	62	62	62	63	63	63	63	63	63	63	64	63	63	63	63	62	62	62	62	62

	Clearer (%)	Cloudier (%)
1	35	65
2	35	65
3	35	65
4	36	64
5	36	64
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	38	62
13	38	62
14	38	62
15	37	63
16	37	63
17	37	63
18	37	63
19	37	63
20	37	63
21	37	63
22	36	64
23	37	63
24	37	63
25	37	63
26	37	63
27	38	62
28	38	62
29	38	62
30	38	62
31	38	62

Chance of precipitation in January

Any precipitationSnow

Voiron gets around 105 mm of rain and snow over 12.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 42% on the wettest days, and about 6 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 (%)	42	42	42	42	41	41	41	40	40	40	39	39	39	39	40	40	40	40	41	41	41	42	42	42	42	42	42	42	42	42	42
Snow chance (%)	19	19	19	19	19	19	19	19	19	19	19	20	20	20	21	21	21	22	22	22	22	22	23	23	23	23	23	23	23	23	23

	Rain chance (%)	Snow chance (%)
1	42	19
2	42	19
3	42	19
4	42	19
5	41	19
6	41	19
7	41	19
8	40	19
9	40	19
10	40	19
11	39	19
12	39	20
13	39	20
14	39	20
15	40	21
16	40	21
17	40	21
18	40	22
19	41	22
20	41	22
21	41	22
22	42	22
23	42	23
24	42	23
25	42	23
26	42	23
27	42	23
28	42	23
29	42	23
30	42	23
31	42	23

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
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 (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:23 AM to 8:08 AM, and sunset from 4:58 PM to 5:34 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)	8.6	8.6	8.6	8.6	8.6	8.7	8.7	8.7	8.7	8.7	8.8	8.8	8.8	8.8	8.9	8.9	8.9	9.0	9.0	9.0	9.1	9.1	9.1	9.2	9.2	9.2	9.3	9.3	9.3	9.4	9.4
Sunrise (AM)	8:23	8:23	8:23	8:23	8:23	8:23	8:23	8:23	8:23	8:22	8:22	8:22	8:21	8:21	8:20	8:20	8:19	8:19	8:18	8:18	8:17	8:16	8:16	8:15	8:14	8:13	8:12	8:11	8:10	8:09	8:08
Sunset (PM)	4:58	4:59	5:00	5:01	5:02	5:03	5:04	5:05	5:06	5:07	5:08	5:09	5:10	5:12	5:13	5:14	5:15	5:16	5:18	5:19	5:20	5:21	5:23	5:24	5:25	5:27	5:28	5:30	5:31	5:32	5:34

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.6	8:23	4:58
2	8.6	8:23	4:59
3	8.6	8:23	5:00
4	8.6	8:23	5:01
5	8.6	8:23	5:02
6	8.7	8:23	5:03
7	8.7	8:23	5:04
8	8.7	8:23	5:05
9	8.7	8:23	5:06
10	8.7	8:22	5:07
11	8.8	8:22	5:08
12	8.8	8:22	5:09
13	8.8	8:21	5:10
14	8.8	8:21	5:12
15	8.9	8:20	5:13
16	8.9	8:20	5:14
17	8.9	8:19	5:15
18	9.0	8:19	5:16
19	9.0	8:18	5:18
20	9.0	8:18	5:19
21	9.1	8:17	5:20
22	9.1	8:16	5:21
23	9.1	8:16	5:23
24	9.2	8:15	5:24
25	9.2	8:14	5:25
26	9.2	8:13	5:27
27	9.3	8:12	5:28
28	9.3	8:11	5:30
29	9.3	8:10	5:31
30	9.4	8:09	5:32
31	9.4	8:08	5:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.47 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.23 kWh/m² in July across the year — January's 1.47 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)	1.2	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.4	1.4	1.4	1.4	1.4	1.4	1.5	1.5	1.5	1.5	1.5	1.6	1.6	1.6	1.6	1.7	1.7	1.7	1.8	1.8	1.8	1.9
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	1.2	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	1.4	Dim
11	1.4	Dim
12	1.4	Dim
13	1.4	Dim
14	1.4	Dim
15	1.4	Dim
16	1.5	Dim
17	1.5	Dim
18	1.5	Dim
19	1.5	Dim
20	1.5	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.7	Dim
26	1.7	Dim
27	1.7	Dim
28	1.8	Dim
29	1.8	Dim
30	1.8	Dim
31	1.9	Dim

Planning a trip in January

Is January a good time to visit Voiron?

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

0.3

Sightseeing

12th-best month of the year

0.0

Beach & pool

9th-best month of the year

January is a weaker month for outdoor sightseeing in Voiron.

What to pack for Voiron in January

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

In January, Voiron sees daytime highs around 6°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Voiron in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Voiron peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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	3	4	5	7	7	9	7	5	4	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	High	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	3	Moderate
Mar	4	Moderate
Apr	5	High
May	7	High
Jun	7	Very high
Jul	9	Very high
Aug	7	High
Sep	5	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Voiron in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Voiron is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	16	15	17	17	14	16	12	12	12	13	13	15
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	16	Moderate
Feb	15	Moderate
Mar	17	Moderate
Apr	17	Moderate
May	14	Moderate
Jun	16	Moderate
Jul	12	Good
Aug	12	Good
Sep	12	Moderate
Oct	13	Moderate
Nov	13	Moderate
Dec	15	Moderate

Location & terrain

Where is Voiron?

Voiron sits at 45.4°N, 5.6°E, 301 m above sea level, in France. The nearest listed city is Saint-Égrève, 16 km away.

Topography around Voiron

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

Within 3 km, the terrain around Voiron has significant variations in elevation — a maximum elevation change of 580 m around an average of 383 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,724 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,838 m.

The land around Voiron is covered by trees (47%), grassland (26%) and artificial surfaces (20%) within 3 km, trees (56%) and grassland (25%) within 16 km, and trees (52%) and grassland (26%) within 80 km.

3 km

580 m

trees 47%

16 km

1,724 m

trees 56%

80 km

3,838 m

trees 52%

treesgrasslandcroplandartificial surfacesbare terrainwater

← December Voiron year-round climate February →Best places to visit in January

January weather nearby: Saint-Égrève 16 km · Fontaine 21 km · Meylan 23 km · Grenoble 23 km · Saint-Martin-d'Hères 25 km · Échirolles 26 km · Chambéry 34 km · Villefontaine 44 km

France travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / E; 230 V · 50 Hz
Prices: ≈ 77% of US; price level, 2025
GDP per capita: $48,986; 2025
Happiness: 6.6 / 10; World Happiness, 2025
Safe drinking water: 100%; of population, 2024
Homicide rate: 1.3; per 100k, 2023
Road deaths: 5.1; per 100k/yr, 2019
Income group: High; World Bank
English: Moderate; EF EPI 539
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 Voiron (45.3647°, 5.5856°, elevation 301 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. 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	6	-1
2	6	-1
3	6	-1
4	6	-1
5	6	-1
6	6	-1
7	6	-1
8	6	-1
9	6	-1
10	6	-1
11	6	-1
12	6	-1
13	6	-1
14	6	-1
15	6	-1
16	6	-1
17	6	-1
18	6	-1
19	6	-2
20	6	-2
21	6	-2
22	6	-2
23	6	-2
24	6	-2
25	6	-2
26	6	-2
27	6	-2
28	6	-2
29	6	-2
30	6	-2
31	6	-2

	Clearer (%)	Cloudier (%)
1	35	65
2	35	65
3	35	65
4	36	64
5	36	64
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	38	62
13	38	62
14	38	62
15	37	63
16	37	63
17	37	63
18	37	63
19	37	63
20	37	63
21	37	63
22	36	64
23	37	63
24	37	63
25	37	63
26	37	63
27	38	62
28	38	62
29	38	62
30	38	62
31	38	62

	Rain chance (%)	Snow chance (%)
1	42	19
2	42	19
3	42	19
4	42	19
5	41	19
6	41	19
7	41	19
8	40	19
9	40	19
10	40	19
11	39	19
12	39	20
13	39	20
14	39	20
15	40	21
16	40	21
17	40	21
18	40	22
19	41	22
20	41	22
21	41	22
22	42	22
23	42	23
24	42	23
25	42	23
26	42	23
27	42	23
28	42	23
29	42	23
30	42	23
31	42	23

	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	1.2	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	1.4	Dim
11	1.4	Dim
12	1.4	Dim
13	1.4	Dim
14	1.4	Dim
15	1.4	Dim
16	1.5	Dim
17	1.5	Dim
18	1.5	Dim
19	1.5	Dim
20	1.5	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.7	Dim
26	1.7	Dim
27	1.7	Dim
28	1.8	Dim
29	1.8	Dim
30	1.8	Dim
31	1.9	Dim

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

	Clearer (%)	Cloudier (%)
1	35	65
2	35	65
3	35	65
4	36	64
5	36	64
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	38	62
13	38	62
14	38	62
15	37	63
16	37	63
17	37	63
18	37	63
19	37	63
20	37	63
21	37	63
22	36	64
23	37	63
24	37	63
25	37	63
26	37	63
27	38	62
28	38	62
29	38	62
30	38	62
31	38	62

	Rain chance (%)	Snow chance (%)
1	42	19
2	42	19
3	42	19
4	42	19
5	41	19
6	41	19
7	41	19
8	40	19
9	40	19
10	40	19
11	39	19
12	39	20
13	39	20
14	39	20
15	40	21
16	40	21
17	40	21
18	40	22
19	41	22
20	41	22
21	41	22
22	42	22
23	42	23
24	42	23
25	42	23
26	42	23
27	42	23
28	42	23
29	42	23
30	42	23
31	42	23

	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	1.2	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	1.4	Dim
11	1.4	Dim
12	1.4	Dim
13	1.4	Dim
14	1.4	Dim
15	1.4	Dim
16	1.5	Dim
17	1.5	Dim
18	1.5	Dim
19	1.5	Dim
20	1.5	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.7	Dim
26	1.7	Dim
27	1.7	Dim
28	1.8	Dim
29	1.8	Dim
30	1.8	Dim
31	1.9	Dim

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

	Clearer (%)	Cloudier (%)
1	35	65
2	35	65
3	35	65
4	36	64
5	36	64
6	36	64
7	37	63
8	37	63
9	38	62
10	38	62
11	38	62
12	38	62
13	38	62
14	38	62
15	37	63
16	37	63
17	37	63
18	37	63
19	37	63
20	37	63
21	37	63
22	36	64
23	37	63
24	37	63
25	37	63
26	37	63
27	38	62
28	38	62
29	38	62
30	38	62
31	38	62

	Rain chance (%)	Snow chance (%)
1	42	19
2	42	19
3	42	19
4	42	19
5	41	19
6	41	19
7	41	19
8	40	19
9	40	19
10	40	19
11	39	19
12	39	20
13	39	20
14	39	20
15	40	21
16	40	21
17	40	21
18	40	22
19	41	22
20	41	22
21	41	22
22	42	22
23	42	23
24	42	23
25	42	23
26	42	23
27	42	23
28	42	23
29	42	23
30	42	23
31	42	23

	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	1.2	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	1.4	Dim
11	1.4	Dim
12	1.4	Dim
13	1.4	Dim
14	1.4	Dim
15	1.4	Dim
16	1.5	Dim
17	1.5	Dim
18	1.5	Dim
19	1.5	Dim
20	1.5	Dim
21	1.6	Dim
22	1.6	Dim
23	1.6	Dim
24	1.6	Dim
25	1.7	Dim
26	1.7	Dim
27	1.7	Dim
28	1.8	Dim
29	1.8	Dim
30	1.8	Dim
31	1.9	Dim