Horsham weather in October

In October, Horsham sees average daytime highs of 15°C and overnight lows near 9°C, with 70 mm of rain across 11.5 wet days and about 10.4 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 17% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 30 min by month's end. Set against the rest of the year, October is Horsham's 7th-clearest and 5th-windiest month. For the whole year in context, see Horsham's year-round climate.

Daytime high
15°
6th warmest
Overnight low
8th coldest
Rainfall
70 mm
11.5 wet days
Daylight
10 h 24 min
6:34 AM – 4:59 PM
Cloud cover
69%
7th clearest
Wind
17 km/h
5th windiest
Solar energy
1.97 kWh/m²
Travel score
4.1
out of 10

Horsham is town and civil parish in West Sussex, England.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 13°C by the end.

A typical October day in Horsham reaches about 15°C in the afternoon and slips back to 9°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11610
21610
31610
41610
51610
61610
71610
81610
9159
10159
11159
12159
13159
14159
15159
16159
17149
18149
19148
20148
21148
22148
23148
24148
25148
26138
27138
28138
29138
30138
31137

How October really feels in Horsham

Once humidity and wind are folded in, October 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

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

Horsham weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6511.40.68.21.1
Feb / 509.50.79.61.2
Mar10° / 45100.311.52.3
Apr13° / 4910.20.113.53.5
May16° / 529.6015.34.9
Jun19° / 11°529.3016.25.9
Jul21° / 13°5210015.96.4
Aug21° / 14°629.5014.46.4
Sep18° / 11°509.2012.45.8
Oct15° / 7011.5010.44.1
Nov11° / 7411.90.18.72.4
Dec / 7111.80.57.81.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63268
73268
83268
93367
103367
113367
123466
133466
143466
153565
163565
173664
183664
193565
203565
213565
223565
233664
243565
253565
263466
273466
283466
293466
303367
313367

Chance of precipitation in October

Any precipitation

Horsham gets around 70 mm of rain over 11.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
637
737
837
936
1036
1136
1236
1336
1436
1536
1636
1737
1837
1937
2037
2137
2238
2338
2438
2538
2638
2738
2838
2938
3038
3138

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
176240
277230
377221
478211
579201
680191
781190
882180
983170
1083170
1184160
1284160
1384160
1485150
1585150
1686140
1786140
1887130
1987130
2088120
2189110
2289110
2390100
2490100
259190
269190
279280
289280
299370
309370
319460

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over October. Sunrise moves from 6:09 AM to 7:00 AM, and sunset from 5:32 PM to 4:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:095:32
211.36:105:30
311.36:125:27
411.26:145:25
511.16:155:23
611.16:175:20
711.06:195:18
810.96:205:16
910.96:225:14
1010.86:245:11
1110.76:265:09
1210.76:275:07
1310.66:295:05
1410.56:315:03
1510.56:325:01
1610.46:344:59
1710.36:364:56
1810.36:384:54
1910.26:394:52
2010.26:414:50
2110.16:434:48
2210.06:454:46
2310.06:464:44
249.96:484:42
259.86:504:40
269.86:524:38
279.76:534:37
289.76:554:35
299.66:574:33
309.56:594:31
319.57:004:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.97 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.66 kWh/m² in June across the year — October's 1.97 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.4Moderate
52.4Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.2Moderate
102.2Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.0Moderate
152.0Moderate
162.0Dim
171.9Dim
181.9Dim
191.9Dim
201.8Dim
211.8Dim
221.8Dim
231.7Dim
241.7Dim
251.7Dim
261.6Dim
271.6Dim
281.6Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in October

Is October a good time to visit Horsham?

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

4.1
Sightseeing
6th-best month of the year
0.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Horsham for sightseeing.

What to pack for Horsham in October

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

In October, Horsham sees daytime highs around 15°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Horsham in October

The nearest coast averages about 16°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 49 km away) is warmest in August at about 17°C and coldest in March near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in Horsham in October

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Horsham peaks around July 24 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Horsham?

Horsham sits at 51.1°N, 0.3°W, 52 m above sea level, in United Kingdom. The nearest listed city is Crawley, 12 km away.

Topography around Horsham

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

Within 3 km, the terrain around Horsham has only modest variations in elevation — a maximum elevation change of 83 m around an average of 58 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 298 m; within 80 km, significant variations in elevation — a maximum elevation change of 301 m.

The land around Horsham is covered by trees (43%) and grassland (33%) within 3 km, grassland (45%) and trees (40%) within 16 km, and trees (26%), grassland (26%) and water (25%) within 80 km.

3 km
83 m
16 km
298 m
80 km
301 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Crawley 12 km · Horley 17 km · Haywards Heath 17 km · Burgess Hill 18 km · Dorking 19 km · Reigate 21 km · Redhill 23 km · East Grinstead 23 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 Horsham (51.0631°, -0.3276°, elevation 52 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).