Tergnier weather in August

In August, Tergnier sees average daytime highs of 23°C and overnight lows near 14°C, with 65 mm of rain across 10.6 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Tergnier's 1st-clearest and 12th-windiest month. For the whole year in context, see Tergnier's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
65 mm
10.6 wet days
Daylight
14 h 18 min
5:43 AM – 7:58 PM
Cloud cover
62%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.63 kWh/m²
Travel score
6.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 22°C by the end.

A typical August day in Tergnier reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162314
172314
182314
192314
202314
212314
222314
232313
242313
252213
262213
272213
282213
292213
302213
312213

How August really feels in Tergnier

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tergnier weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6111.618.40.5
Feb / 5510.81.49.81.0
Mar11° / 5711.50.811.52.6
Apr15° / 5311.20.113.44.1
May18° / 6411.6015.15.4
Jun21° / 12°59110166.1
Jul23° / 14°579.9015.66.8
Aug23° / 14°6510.6014.26.7
Sep20° / 11°489012.46.2
Oct15° / 6111010.54.4
Nov10° / 63120.48.82.0
Dec / 7813.31.380.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54456
64456
74456
84357
94258
104258
114258
124258
134258
144060
154060
164060
173961
183862
193862
203862
213763
223664
233664
243664
253664
263664
273664
283664
293664
303664
313664

Chance of precipitation in August

Any precipitation

Tergnier gets around 65 mm of rain over 10.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
432
532
633
733
834
934
1034
1135
1235
1335
1435
1535
1635
1736
1836
1936
2036
2135
2235
2335
2434
2534
2633
2733
2832
2932
3031
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13743182
23743183
33742173
43842173
53842173
63941173
73941173
84041173
94041163
104041163
114140172
124140172
134140172
144140172
154240172
164240171
174239171
184339171
194439171
204438171
214537171
224636171
234835161
244934161
255033161
265232151
275331151
285431141
295730130
305730130
315929120

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 hours at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 5:22 AM to 6:06 AM, and sunset from 8:24 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.05:228:24
215.05:238:23
314.95:248:21
414.95:268:19
514.85:278:18
614.85:298:16
714.75:308:15
814.75:328:13
914.65:338:11
1014.65:348:09
1114.55:368:08
1214.55:378:06
1314.45:398:04
1414.45:408:02
1514.35:428:00
1614.35:437:58
1714.25:457:57
1814.15:467:55
1914.15:487:53
2014.05:497:51
2114.05:517:49
2213.95:527:47
2313.85:547:45
2413.85:557:43
2513.75:577:40
2613.75:587:38
2713.66:007:36
2813.56:017:34
2913.56:037:32
3013.46:047:30
3113.46:067:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.63 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.51 kWh/m² in June across the year — August's 4.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.0Bright
304.0Bright
314.0Moderate
Planning a trip in August

Is August a good time to visit Tergnier?

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

6.7
Sightseeing
2nd-best month of the year
5.3
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Tergnier for sightseeing.

What to pack for Tergnier in August

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

In August, Tergnier sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Tergnier in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tergnier peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Tergnier?

Tergnier sits at 49.7°N, 3.3°E, 55 m above sea level, in France. The nearest listed city is Saint-Quentin, 21 km away.

Topography around Tergnier

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

Within 3 km, the terrain around Tergnier has only modest variations in elevation — a maximum elevation change of 64 m around an average of 57 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 193 m; within 80 km, significant variations in elevation — a maximum elevation change of 334 m.

The land around Tergnier is covered by cropland (36%) and trees (25%) within 3 km, cropland (52%) and trees (34%) within 16 km, and cropland (62%) and trees (24%) within 80 km.

3 km
64 m
16 km
193 m
80 km
334 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Saint-Quentin 21 km · Noyon 23 km · Laon 26 km · Soissons 31 km · Compiègne 43 km · Crépy-en-Valois 56 km · Cambrai 58 km · Château-Thierry 68 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
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Tergnier (49.6561°, 3.3011°, elevation 55 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).