Guyancourt weather in February

In February, Guyancourt sees average daytime highs of 8°C and overnight lows near 2°C, with 47 mm of precipitation across 10 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 9°C by the end. The sky is clear or mostly clear about 16% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of February to 10 h 36 min by month's end. Set against the rest of the year, February is Guyancourt's 9th-clearest and 3rd-windiest month. For the whole year in context, see Guyancourt's year-round climate.

Daytime high: 8°; 10th warmest
Overnight low: 2°; 1st coldest
Precipitation: 47 mm; 10 wet days
Daylight: 9 h 48 min; 8:11 AM – 6:02 PM
Cloud cover: 73%; 9th clearest
Wind: 15 km/h; 3rd windiest
Solar energy: 1.74 kWh/m²
Travel score: 1.2; out of 10

← January Guyancourt year-round climate March →Best places to visit in February

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 9°C by the end.

A typical February day in Guyancourt reaches about 8°C in the afternoon and slips back to 2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 13°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

	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
Avg high (°C)	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9
Avg low (°C)	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	2	2	3

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

How February really feels in Guyancourt

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 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 February is cold — wind chill drags the overnight "feels like" below the raw low.

Guyancourt weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-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°	53	11.3	1	8.5	0.7
Feb	8° / 2°	47	10	1.3	9.8	1.2
Mar	12° / 4°	51	10.6	0.6	11.6	2.9
Apr	15° / 6°	52	11	0	13.4	4.3
May	18° / 9°	67	11.6	0	15	5.5
Jun	22° / 12°	60	10.4	0	15.9	6.4
Jul	24° / 14°	55	9.1	0	15.5	7.0
Aug	24° / 14°	58	8.9	0	14.2	7.0
Sep	20° / 11°	48	8.5	0	12.4	6.4
Oct	16° / 8°	63	11.2	0	10.5	4.6
Nov	10° / 5°	59	11.1	0.3	9	2.2
Dec	7° / 3°	68	12.4	1.1	8.1	0.9

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 11% of February, with mostly cloudy or overcast conditions the remaining 73%.

	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
Clearer (%)	26	26	27	27	28	28	28	28	29	29	29	30	30	29	28	28	27	27	27	26	26	25	25	25	24	24	23	23
Cloudier (%)	74	74	73	73	72	72	72	72	71	71	71	70	70	71	72	72	73	73	73	74	74	75	75	75	76	76	77	77

	Clearer (%)	Cloudier (%)
1	26	74
2	26	74
3	27	73
4	27	73
5	28	72
6	28	72
7	28	72
8	28	72
9	29	71
10	29	71
11	29	71
12	30	70
13	30	70
14	29	71
15	28	72
16	28	72
17	27	73
18	27	73
19	27	73
20	26	74
21	26	74
22	25	75
23	25	75
24	25	75
25	24	76
26	24	76
27	23	77
28	23	77

Chance of precipitation in February

Any precipitationSnow

Guyancourt gets around 47 mm of rain and snow over 10 wet days in February, the driest month. 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 39% 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
Rain chance (%)	35	35	36	36	36	37	37	37	37	37	37	36	36	36	35	35	35	35	35	35	35	35	36	36	37	38	38	39
Snow chance (%)	5	5	5	5	6	6	6	6	6	6	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4

	Rain chance (%)	Snow chance (%)
1	35	5
2	35	5
3	36	5
4	36	5
5	36	6
6	37	6
7	37	6
8	37	6
9	37	6
10	37	6
11	37	5
12	36	5
13	36	5
14	36	5
15	35	5
16	35	5
17	35	4
18	35	4
19	35	4
20	35	4
21	35	4
22	35	4
23	36	4
24	36	4
25	37	4
26	38	4
27	38	4
28	39	4

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February 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
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

	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

Wind in February

Winds average 15 km/h in February.

Across February, daily wind ranges from about 14 km/h on the calmest days to 15 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
Wind speed (km/h)	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14	14	15	15	15	15	15	15	15	15	15
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

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

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 06 min at the start of February to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over February. Sunrise moves from 8:31 AM to 7:47 AM, and sunset from 5:39 PM to 6:23 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
Daylight (h)	9.1	9.2	9.2	9.3	9.3	9.4	9.4	9.5	9.5	9.6	9.6	9.7	9.7	9.8	9.8	9.9	10.0	10.0	10.1	10.1	10.2	10.2	10.3	10.4	10.4	10.5	10.5	10.6
Sunrise (AM)	8:31	8:30	8:29	8:28	8:26	8:25	8:23	8:22	8:20	8:19	8:17	8:16	8:14	8:13	8:11	8:09	8:08	8:06	8:04	8:02	8:00	7:59	7:57	7:55	7:53	7:51	7:49	7:47
Sunset (PM)	5:39	5:41	5:42	5:44	5:45	5:47	5:49	5:50	5:52	5:54	5:55	5:57	5:58	6:00	6:02	6:03	6:05	6:07	6:08	6:10	6:12	6:13	6:15	6:16	6:18	6:20	6:21	6:23

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.1	8:31	5:39
2	9.2	8:30	5:41
3	9.2	8:29	5:42
4	9.3	8:28	5:44
5	9.3	8:26	5:45
6	9.4	8:25	5:47
7	9.4	8:23	5:49
8	9.5	8:22	5:50
9	9.5	8:20	5:52
10	9.6	8:19	5:54
11	9.6	8:17	5:55
12	9.7	8:16	5:57
13	9.7	8:14	5:58
14	9.8	8:13	6:00
15	9.8	8:11	6:02
16	9.9	8:09	6:03
17	10.0	8:08	6:05
18	10.0	8:06	6:07
19	10.1	8:04	6:08
20	10.1	8:02	6:10
21	10.2	8:00	6:12
22	10.2	7:59	6:13
23	10.3	7:57	6:15
24	10.4	7:55	6:16
25	10.4	7:53	6:18
26	10.5	7:51	6:20
27	10.5	7:49	6:21
28	10.6	7:47	6:23

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 1.74 kWh/m².

For context, solar energy here swings from a low near 0.79 kWh/m² to a high of 5.58 kWh/m² in June across the year — February's 1.74 kWh/m² falls in the middle.

	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
Solar energy (kWh/m²)	1.3	1.3	1.4	1.4	1.4	1.5	1.5	1.5	1.6	1.6	1.6	1.7	1.7	1.7	1.8	1.8	1.8	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.1	2.1	2.2	2.2
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.3	Dim
2	1.3	Dim
3	1.4	Dim
4	1.4	Dim
5	1.4	Dim
6	1.5	Dim
7	1.5	Dim
8	1.5	Dim
9	1.6	Dim
10	1.6	Dim
11	1.6	Dim
12	1.7	Dim
13	1.7	Dim
14	1.7	Dim
15	1.8	Dim
16	1.8	Dim
17	1.8	Dim
18	1.9	Dim
19	1.9	Dim
20	1.9	Dim
21	1.9	Dim
22	2.0	Dim
23	2.0	Moderate
24	2.0	Moderate
25	2.1	Moderate
26	2.1	Moderate
27	2.2	Moderate
28	2.2	Moderate

Planning a trip in February

Is February a good time to visit Guyancourt?

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

1.2

Sightseeing

10th-best month of the year

0.0

Beach & pool

9th-best month of the year

February is a weaker month for outdoor sightseeing in Guyancourt.

What to pack for Guyancourt in February

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

In February, Guyancourt sees daytime highs around 8°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Guyancourt in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guyancourt peaks around June 22 at about 7 (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 7 months of the year.

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

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

Air quality in Guyancourt in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Guyancourt is worst in April — around 20 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)	17	17	20	20	17	16	13	14	15	15	15	15
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	17	Moderate
Feb	17	Moderate
Mar	20	Moderate
Apr	20	Moderate
May	17	Moderate
Jun	16	Moderate
Jul	13	Moderate
Aug	14	Moderate
Sep	15	Moderate
Oct	15	Moderate
Nov	15	Moderate
Dec	15	Moderate

Location & terrain

Where is Guyancourt?

Guyancourt sits at 48.8°N, 2.1°E, 161 m above sea level, in France. The nearest listed city is Saint-Cyr-l'École, 3.0 km away.

Topography around Guyancourt

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

Within 3 km, the terrain around Guyancourt has only modest variations in elevation — a maximum elevation change of 82 m around an average of 161 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, significant variations in elevation — a maximum elevation change of 296 m.

The land around Guyancourt is covered by trees (43%) and artificial surfaces (32%) within 3 km, trees (47%), cropland (23%) and artificial surfaces (21%) within 16 km, and cropland (56%) and trees (30%) within 80 km.

3 km

82 m

trees 43%

16 km

221 m

trees 47%

80 km

296 m

cropland 56%

treesgrasslandcroplandartificial surfaceswater

← January Guyancourt year-round climate March →Best places to visit in February

February weather nearby: Saint-Cyr-l'École 3.0 km · Montigny-le-Bretonneux 3.0 km · Saint-Quentin-en-Yvelines 4.0 km · Trappes 4.0 km · Versailles 6.0 km · Le Chesnay 6.0 km · Viroflay 7.0 km · Les Clayes-sous-Bois 8.0 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 Guyancourt (48.7733°, 2.0739°, elevation 161 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	7	1
2	7	1
3	7	1
4	7	1
5	7	1
6	7	1
7	7	2
8	7	2
9	7	2
10	7	2
11	7	2
12	8	2
13	8	2
14	8	2
15	8	2
16	8	2
17	8	2
18	8	2
19	8	2
20	8	2
21	8	2
22	8	2
23	9	2
24	9	2
25	9	2
26	9	2
27	9	2
28	9	3

	Clearer (%)	Cloudier (%)
1	26	74
2	26	74
3	27	73
4	27	73
5	28	72
6	28	72
7	28	72
8	28	72
9	29	71
10	29	71
11	29	71
12	30	70
13	30	70
14	29	71
15	28	72
16	28	72
17	27	73
18	27	73
19	27	73
20	26	74
21	26	74
22	25	75
23	25	75
24	25	75
25	24	76
26	24	76
27	23	77
28	23	77

	Rain chance (%)	Snow chance (%)
1	35	5
2	35	5
3	36	5
4	36	5
5	36	6
6	37	6
7	37	6
8	37	6
9	37	6
10	37	6
11	37	5
12	36	5
13	36	5
14	36	5
15	35	5
16	35	5
17	35	4
18	35	4
19	35	4
20	35	4
21	35	4
22	35	4
23	36	4
24	36	4
25	37	4
26	38	4
27	38	4
28	39	4

	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

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

	Clearer (%)	Cloudier (%)
1	26	74
2	26	74
3	27	73
4	27	73
5	28	72
6	28	72
7	28	72
8	28	72
9	29	71
10	29	71
11	29	71
12	30	70
13	30	70
14	29	71
15	28	72
16	28	72
17	27	73
18	27	73
19	27	73
20	26	74
21	26	74
22	25	75
23	25	75
24	25	75
25	24	76
26	24	76
27	23	77
28	23	77

	Rain chance (%)	Snow chance (%)
1	35	5
2	35	5
3	36	5
4	36	5
5	36	6
6	37	6
7	37	6
8	37	6
9	37	6
10	37	6
11	37	5
12	36	5
13	36	5
14	36	5
15	35	5
16	35	5
17	35	4
18	35	4
19	35	4
20	35	4
21	35	4
22	35	4
23	36	4
24	36	4
25	37	4
26	38	4
27	38	4
28	39	4

	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

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

	Clearer (%)	Cloudier (%)
1	26	74
2	26	74
3	27	73
4	27	73
5	28	72
6	28	72
7	28	72
8	28	72
9	29	71
10	29	71
11	29	71
12	30	70
13	30	70
14	29	71
15	28	72
16	28	72
17	27	73
18	27	73
19	27	73
20	26	74
21	26	74
22	25	75
23	25	75
24	25	75
25	24	76
26	24	76
27	23	77
28	23	77

	Rain chance (%)	Snow chance (%)
1	35	5
2	35	5
3	36	5
4	36	5
5	36	6
6	37	6
7	37	6
8	37	6
9	37	6
10	37	6
11	37	5
12	36	5
13	36	5
14	36	5
15	35	5
16	35	5
17	35	4
18	35	4
19	35	4
20	35	4
21	35	4
22	35	4
23	36	4
24	36	4
25	37	4
26	38	4
27	38	4
28	39	4

	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