Biel/Bienne weather in January

In January, Biel/Bienne sees average daytime highs of 4°C and overnight lows near -2°C, with 87 mm of precipitation across 13.3 wet days and about 8.7 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Biel/Bienne's 10th-clearest and 3rd-windiest month. For the whole year in context, see Biel/Bienne's year-round climate.

Daytime high: 4°; 12th warmest
Overnight low: -2°; 1st coldest
Precipitation: 87 mm; 13.3 wet days
Daylight: 8 h 42 min; 8:20 AM – 5:01 PM
Cloud cover: 71%; 10th clearest
Wind: 8 km/h; 3rd windiest
Solar energy: 1.26 kWh/m²
Travel score: 0.0; out of 10

Biel/Bienne is Settlement within the Swiss municipality of the same name.

Air quality: Good; PM2.5 9.1 µg/m³ · 2020

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

← December Biel/Bienne 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 4°C through the month.

A typical January day in Biel/Bienne reaches about 4°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 9°C. Set against its neighbours, January runs on par with December and about 1°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)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	4	4	4	4
Avg low (°C)	-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	-2	-2	-2	-2	-2	-2

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

How January really feels in Biel/Bienne

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.

Biel/Bienne weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	4° / -2°	87	13.3	6.9	8.7	0.0
Feb	5° / -2°	78	12	6.7	10	0.2
Mar	10° / 1°	93	14	4.8	11.6	1.9
Apr	14° / 4°	105	15.3	2.3	13.3	3.4
May	18° / 8°	151	17.8	0.2	14.8	4.6
Jun	21° / 12°	146	17.5	0	15.6	5.3
Jul	23° / 14°	153	16.5	0	15.3	5.9
Aug	23° / 13°	157	15.9	0	14	5.9
Sep	18° / 10°	114	13.9	0	12.4	5.3
Oct	13° / 6°	109	13.6	0.5	10.6	3.5
Nov	8° / 2°	101	13.3	3.5	9.1	1.0
Dec	4° / -1°	106	14.5	6.6	8.4	0.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, 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 (%)	28	29	29	29	29	29	30	30	31	31	31	32	32	33	33	33	33	33	34	33	33	34	34	33	33	32	33	32	32	33	33
Cloudier (%)	72	71	71	71	71	71	70	70	69	69	69	68	68	67	67	67	67	67	66	67	67	66	66	67	67	68	67	68	68	67	67

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	30	70
8	30	70
9	31	69
10	31	69
11	31	69
12	32	68
13	32	68
14	33	67
15	33	67
16	33	67
17	33	67
18	33	67
19	34	66
20	33	67
21	33	67
22	34	66
23	34	66
24	33	67
25	33	67
26	32	68
27	33	67
28	32	68
29	32	68
30	33	67
31	33	67

Chance of precipitation in January

Any precipitationSnow

Biel/Bienne gets around 87 mm of rain and snow over 13.3 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 43% and peaks near 46% on the wettest days, and about 7 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 (%)	46	45	45	45	45	45	44	44	43	43	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	41	42	42
Snow chance (%)	21	20	20	20	19	19	19	19	19	19	19	20	21	22	22	23	24	25	25	26	26	26	27	27	27	27	26	26	26	26	25

	Rain chance (%)	Snow chance (%)
1	46	21
2	45	20
3	45	20
4	45	20
5	45	19
6	45	19
7	44	19
8	44	19
9	43	19
10	43	19
11	42	19
12	42	20
13	42	21
14	42	22
15	42	22
16	42	23
17	42	24
18	42	25
19	42	25
20	42	26
21	42	26
22	42	26
23	42	27
24	42	27
25	42	27
26	42	27
27	42	26
28	42	26
29	41	26
30	42	26
31	42	25

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 8 km/h in January.

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

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 24 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:24 AM to 8:07 AM, and sunset from 4:45 PM to 5:22 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	8.4	8.4	8.4	8.4	8.5	8.5	8.5	8.5	8.5	8.6	8.6	8.6	8.7	8.7	8.7	8.8	8.8	8.8	8.9	8.9	8.9	9.0	9.0	9.0	9.1	9.1	9.2	9.2	9.3
Sunrise (AM)	8:24	8:24	8:24	8:24	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	8:18	8:18	8:17	8:16	8:16	8:15	8:14	8:13	8:12	8:11	8:10	8:09	8:08	8:07
Sunset (PM)	4:45	4:46	4:47	4:47	4:48	4:49	4:50	4:52	4:53	4:54	4:55	4:56	4:57	4:58	5:00	5:01	5:02	5:04	5:05	5:06	5:08	5:09	5:10	5:12	5:13	5:15	5:16	5:17	5:19	5:20	5:22

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.4	8:24	4:45
2	8.4	8:24	4:46
3	8.4	8:24	4:47
4	8.4	8:24	4:47
5	8.4	8:23	4:48
6	8.4	8:23	4:49
7	8.5	8:23	4:50
8	8.5	8:23	4:52
9	8.5	8:23	4:53
10	8.5	8:22	4:54
11	8.5	8:22	4:55
12	8.6	8:22	4:56
13	8.6	8:21	4:57
14	8.6	8:21	4:58
15	8.7	8:20	5:00
16	8.7	8:20	5:01
17	8.7	8:19	5:02
18	8.8	8:18	5:04
19	8.8	8:18	5:05
20	8.8	8:17	5:06
21	8.9	8:16	5:08
22	8.9	8:16	5:09
23	8.9	8:15	5:10
24	9.0	8:14	5:12
25	9.0	8:13	5:13
26	9.0	8:12	5:15
27	9.1	8:11	5:16
28	9.1	8:10	5:17
29	9.2	8:09	5:19
30	9.2	8:08	5:20
31	9.3	8:07	5:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.26 kWh/m².

For context, solar energy here swings from a low near 1.02 kWh/m² to a high of 5.63 kWh/m² in July across the year — January's 1.26 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)	1.0	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.2	1.2	1.2	1.2	1.2	1.3	1.3	1.3	1.3	1.3	1.4	1.4	1.4	1.4	1.5	1.5	1.5	1.5	1.6	1.6	1.6
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	1.0	Dim
2	1.1	Dim
3	1.1	Dim
4	1.1	Dim
5	1.1	Dim
6	1.1	Dim
7	1.1	Dim
8	1.1	Dim
9	1.1	Dim
10	1.1	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.3	Dim
17	1.3	Dim
18	1.3	Dim
19	1.3	Dim
20	1.3	Dim
21	1.4	Dim
22	1.4	Dim
23	1.4	Dim
24	1.4	Dim
25	1.5	Dim
26	1.5	Dim
27	1.5	Dim
28	1.5	Dim
29	1.6	Dim
30	1.6	Dim
31	1.6	Dim

Planning a trip in January

Is January a good time to visit Biel/Bienne?

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

0.0

Sightseeing

11th-best month of the year

0.0

Beach & pool

8th-best month of the year

January is a weaker month for outdoor sightseeing in Biel/Bienne.

What to pack for Biel/Bienne in January

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

In January, Biel/Bienne sees daytime highs around 4°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 Biel/Bienne 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 Biel/Bienne peaks around July 15 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 7 months of the year.

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

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

Location & terrain

Where is Biel/Bienne?

Biel/Bienne sits at 47.1°N, 7.2°E, 434 m above sea level, in Switzerland. The nearest listed city is Grenchen, 13 km away.

Topography around Biel/Bienne

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

Within 3 km, the terrain around Biel/Bienne has significant variations in elevation — a maximum elevation change of 562 m around an average of 541 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,796 m.

The land around Biel/Bienne is covered by trees (50%) and artificial surfaces (24%) within 3 km, trees (44%) and grassland (26%) within 16 km, and trees (47%) and grassland (33%) within 80 km.

3 km

562 m

trees 50%

16 km

1,170 m

trees 44%

80 km

2,796 m

trees 47%

treesgrasslandcroplandartificial surfaceswater

← December Biel/Bienne year-round climate February →Best places to visit in January

January weather nearby: Grenchen 13 km · Solothurn 23 km · Bern 26 km · Köniz 27 km · Neuchâtel 29 km · Burgdorf 30 km · La Chaux-de-Fonds 32 km · Fribourg 38 km

Switzerland travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / J; 230 V · 50 Hz
Prices: ≈ 112% of US; price level, 2025
GDP per capita: $114,769; 2025
Happiness: 7.0 / 10; World Happiness, 2025
Safe drinking water: 97%; of population, 2024
Homicide rate: 0.6; per 100k, 2023
Road deaths: 2.2; per 100k/yr, 2019
Income group: High; World Bank
English: High; EF EPI 564
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 Biel/Bienne (47.1371°, 7.2461°, elevation 434 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. 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	4	-1
2	4	-1
3	4	-1
4	4	-1
5	4	-1
6	4	-1
7	4	-1
8	4	-1
9	4	-1
10	4	-1
11	4	-1
12	4	-1
13	4	-2
14	4	-2
15	4	-2
16	4	-2
17	4	-2
18	4	-2
19	4	-2
20	4	-2
21	3	-2
22	3	-2
23	3	-2
24	3	-2
25	3	-2
26	3	-2
27	3	-2
28	4	-2
29	4	-2
30	4	-2
31	4	-2

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	30	70
8	30	70
9	31	69
10	31	69
11	31	69
12	32	68
13	32	68
14	33	67
15	33	67
16	33	67
17	33	67
18	33	67
19	34	66
20	33	67
21	33	67
22	34	66
23	34	66
24	33	67
25	33	67
26	32	68
27	33	67
28	32	68
29	32	68
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	46	21
2	45	20
3	45	20
4	45	20
5	45	19
6	45	19
7	44	19
8	44	19
9	43	19
10	43	19
11	42	19
12	42	20
13	42	21
14	42	22
15	42	22
16	42	23
17	42	24
18	42	25
19	42	25
20	42	26
21	42	26
22	42	26
23	42	27
24	42	27
25	42	27
26	42	27
27	42	26
28	42	26
29	41	26
30	42	26
31	42	25

	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	1.0	Dim
2	1.1	Dim
3	1.1	Dim
4	1.1	Dim
5	1.1	Dim
6	1.1	Dim
7	1.1	Dim
8	1.1	Dim
9	1.1	Dim
10	1.1	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.3	Dim
17	1.3	Dim
18	1.3	Dim
19	1.3	Dim
20	1.3	Dim
21	1.4	Dim
22	1.4	Dim
23	1.4	Dim
24	1.4	Dim
25	1.5	Dim
26	1.5	Dim
27	1.5	Dim
28	1.5	Dim
29	1.6	Dim
30	1.6	Dim
31	1.6	Dim

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

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	30	70
8	30	70
9	31	69
10	31	69
11	31	69
12	32	68
13	32	68
14	33	67
15	33	67
16	33	67
17	33	67
18	33	67
19	34	66
20	33	67
21	33	67
22	34	66
23	34	66
24	33	67
25	33	67
26	32	68
27	33	67
28	32	68
29	32	68
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	46	21
2	45	20
3	45	20
4	45	20
5	45	19
6	45	19
7	44	19
8	44	19
9	43	19
10	43	19
11	42	19
12	42	20
13	42	21
14	42	22
15	42	22
16	42	23
17	42	24
18	42	25
19	42	25
20	42	26
21	42	26
22	42	26
23	42	27
24	42	27
25	42	27
26	42	27
27	42	26
28	42	26
29	41	26
30	42	26
31	42	25

	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	1.0	Dim
2	1.1	Dim
3	1.1	Dim
4	1.1	Dim
5	1.1	Dim
6	1.1	Dim
7	1.1	Dim
8	1.1	Dim
9	1.1	Dim
10	1.1	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.3	Dim
17	1.3	Dim
18	1.3	Dim
19	1.3	Dim
20	1.3	Dim
21	1.4	Dim
22	1.4	Dim
23	1.4	Dim
24	1.4	Dim
25	1.5	Dim
26	1.5	Dim
27	1.5	Dim
28	1.5	Dim
29	1.6	Dim
30	1.6	Dim
31	1.6	Dim

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

	Clearer (%)	Cloudier (%)
1	28	72
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	30	70
8	30	70
9	31	69
10	31	69
11	31	69
12	32	68
13	32	68
14	33	67
15	33	67
16	33	67
17	33	67
18	33	67
19	34	66
20	33	67
21	33	67
22	34	66
23	34	66
24	33	67
25	33	67
26	32	68
27	33	67
28	32	68
29	32	68
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	46	21
2	45	20
3	45	20
4	45	20
5	45	19
6	45	19
7	44	19
8	44	19
9	43	19
10	43	19
11	42	19
12	42	20
13	42	21
14	42	22
15	42	22
16	42	23
17	42	24
18	42	25
19	42	25
20	42	26
21	42	26
22	42	26
23	42	27
24	42	27
25	42	27
26	42	27
27	42	26
28	42	26
29	41	26
30	42	26
31	42	25

	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	1.0	Dim
2	1.1	Dim
3	1.1	Dim
4	1.1	Dim
5	1.1	Dim
6	1.1	Dim
7	1.1	Dim
8	1.1	Dim
9	1.1	Dim
10	1.1	Dim
11	1.2	Dim
12	1.2	Dim
13	1.2	Dim
14	1.2	Dim
15	1.2	Dim
16	1.3	Dim
17	1.3	Dim
18	1.3	Dim
19	1.3	Dim
20	1.3	Dim
21	1.4	Dim
22	1.4	Dim
23	1.4	Dim
24	1.4	Dim
25	1.5	Dim
26	1.5	Dim
27	1.5	Dim
28	1.5	Dim
29	1.6	Dim
30	1.6	Dim
31	1.6	Dim