Northampton weather in August

In August, Northampton sees average daytime highs of 21°C and overnight lows near 13°C, with 61 mm of rain across 10.9 wet days and about 14.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 13% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Northampton's 1st-clearest and 11th-windiest month. For the whole year in context, see Northampton's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
61 mm
10.9 wet days
Daylight
14 h 30 min
4:53 AM – 7:22 PM
Cloud cover
70%
1st clearest
Wind
14 km/h
11th windiest
Solar energy
4.09 kWh/m²
Travel score
6.1
out of 10

Northampton is town and civil parish in Northamptonshire, England, UK.

Air quality
Moderate
PM2.5 11.6 µg/m³ · 2019
Density
3,045/km²
people per km²
Founded
1189

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical August day in Northampton reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92113
102113
112113
122113
132113
142113
152113
162113
172113
182113
192113
202113
212112
222012
232012
242012
252012
262012
272012
282012
292012
302012
312012

How August really feels in Northampton

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.

Northampton weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5311.61.180.8
Feb / 429.81.59.51.0
Mar10° / 4510.3111.52.1
Apr13° / 5211.30.213.63.3
May16° / 5710.8015.44.7
Jun19° / 11°6010.5016.45.7
Jul21° / 13°6211.50166.1
Aug21° / 13°6110.9014.56.1
Sep18° / 10°549.4012.45.6
Oct14° / 6211.2010.33.8
Nov10° / 5911.20.38.52.0
Dec / 57110.97.60.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53466
63466
73367
83367
93367
103367
113466
123367
133367
143466
153367
163367
173367
183367
193367
203367
213367
223367
233367
243268
253268
263268
273268
283169
293169
303070
313070

Chance of precipitation in August

Any precipitation

Northampton gets around 61 mm of rain over 10.9 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1436
1537
1637
1737
1837
1937
2037
2136
2236
2335
2435
2534
2634
2733
2833
2932
3032
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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
155369
255369
355369
4553510
5563410
6563410
7573310
8583210
9583210
10593110
11593110
12603010
13603010
14603010
1562299
1662299
1762299
1864288
1964288
2065287
2166277
2267267
2368266
2469256
2569256
2671245
2771245
2872244
2973234
3073234
3175223

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 24 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over August. Sunrise moves from 4:29 AM to 5:19 AM, and sunset from 7:50 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:297:50
215.34:307:49
315.24:327:47
415.24:347:45
515.14:357:43
615.14:377:42
715.04:387:40
815.04:407:38
914.94:427:36
1014.84:437:34
1114.84:457:32
1214.74:477:30
1314.74:487:28
1414.64:507:26
1514.54:527:24
1614.54:537:22
1714.44:557:20
1814.44:577:18
1914.34:587:16
2014.25:007:13
2114.25:027:11
2214.15:037:09
2314.05:057:07
2414.05:077:05
2513.95:087:02
2613.85:107:00
2713.85:126:58
2813.75:146:55
2913.65:156:53
3013.65:176:51
3113.55:196:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.09 kWh/m².

For context, solar energy here swings from a low near 0.61 kWh/m² to a high of 5.05 kWh/m² in June across the year — August's 4.09 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Northampton?

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

6.1
Sightseeing
1st-best month of the year
3.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Northampton for sightseeing.

What to pack for Northampton in August

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

In August, Northampton sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Northampton in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Northampton 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Northampton in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Northampton is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Northampton's WHO annual average of 11.6 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1115 µg/m³Nov 179 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun12Good
Jul11Good
Aug11Good
Sep11Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Northampton?

Northampton sits at 52.3°N, 0.9°W, 97 m above sea level, in United Kingdom. The nearest listed city is Wellingborough, 14 km away.

Topography around Northampton

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

Within 3 km, the terrain around Northampton has only modest variations in elevation — a maximum elevation change of 85 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 158 m; within 80 km, significant variations in elevation — a maximum elevation change of 389 m.

The land around Northampton is covered by artificial surfaces (49%) and trees (32%) within 3 km, cropland (46%) and grassland (29%) within 16 km, and cropland (47%) and grassland (31%) within 80 km.

3 km
85 m
16 km
158 m
80 km
389 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Wellingborough 14 km · Daventry 19 km · Rushden 20 km · Kettering 20 km · Newport Pagnell 21 km · Milton Keynes 25 km · Market Harborough 25 km · Rugby 29 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
Christian 60%none 26%Muslim 4%other 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 Northampton (52.25°, -0.8833°, elevation 97 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).