Cala weather in January

In January, Cala sees average daytime highs of 25°C and overnight lows near 14°C, with 176 mm of rain across 20.4 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 28% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 14 hours at the start of January to 13 h 30 min by month's end. Set against the rest of the year, January is Cala's 11th-clearest and 9th-windiest month. For the whole year in context, see Cala's year-round climate.

Daytime high
25°
1st warmest
Overnight low
14°
11th coldest
Rainfall
176 mm
20.4 wet days
Daylight
13 h 48 min
5:23 AM – 7:14 PM
Cloud cover
60%
11th clearest
Wind
8 km/h
9th windiest
Solar energy
6.4 kWh/m²
Travel score
5.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Cala reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312514

How January really feels in Cala

Once humidity and wind are folded in, January 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

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

Cala weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan25° / 14°17620.4013.85.3
Feb25° / 14°16017.9013.25.4
Mar24° / 12°13517.3012.26.0
Apr21° / 7210011.36.7
May19° / 224.60.110.47.4
Jun17° / 193.30.2106.9
Jul17° / 203.10.510.27.0
Aug19° / 325.40.410.97.3
Sep22° / 507.60.311.87.1
Oct22° / 9915.2012.86.1
Nov23° / 11°13917.40.113.65.7
Dec24° / 12°16420.70145.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35149
45149
55149
65149
75149
85149
95149
105149
115050
125050
135149
144951
154951
165050
174951
184951
194951
204951
214852
224852
234852
244852
254852
264852
274852
284852
294852
304951
314951

Chance of precipitation in January

Any precipitation

Cala gets around 176 mm of rain over 20.4 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
168
268
368
467
567
667
766
865
965
1064
1164
1264
1364
1464
1564
1664
1764
1865
1965
2065
2166
2266
2366
2467
2567
2667
2767
2867
2967
3066
3166

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1295417
2295417
3285418
4285418
5275518
6275518
7275419
8275419
9275419
10275419
11275419
12275419
13275419
14275320
15275320
16265321
17255421
18255322
19245422
20235423
21225523
22215623
23215623
24205624
25195724
26195724
27185824
28185824
29185824
30185725
31175825

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.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 hours at the start of January to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 5:12 AM to 5:36 AM, and sunset from 7:13 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:127:13
214.05:127:13
314.05:137:13
414.05:147:14
514.05:147:14
614.05:157:14
714.05:167:14
814.05:177:14
913.95:177:14
1013.95:187:14
1113.95:197:14
1213.95:207:14
1313.95:217:14
1413.95:217:14
1513.95:227:14
1613.85:237:14
1713.85:247:14
1813.85:257:14
1913.85:267:13
2013.85:277:13
2113.85:277:13
2213.75:287:13
2313.75:297:12
2413.75:307:12
2513.75:317:12
2613.75:327:11
2713.65:337:11
2813.65:347:10
2913.65:357:10
3013.65:357:09
3113.55:367:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.4 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 6.73 kWh/m² in December across the year — January's 6.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Cala

In seasonPeak

In January, Cala sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Cala's rainy season runs October–March, when most of the year's rain falls.

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

Is January a good time to visit Cala?

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

5.3
Sightseeing
11th-best month of the year
4.8
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Cala for sightseeing.

What to pack for Cala in January

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

In January, Cala sees daytime highs around 25°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 20 days see rain.

rain gearsun protectionlight clothes

UV index in Cala in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cala peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighExtremeJan 14UV 14Jun 23UV 4
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep7High
Oct11Extreme
Nov11Extreme
Dec13Extreme

Air quality in Cala in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Cala is worst in September — around 23 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (December, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 923 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar7Good
Apr8Good
May10Good
Jun12Good
Jul13Moderate
Aug23Moderate
Sep23Moderate
Oct14Moderate
Nov6Good
Dec5Good
Location & terrain

Where is Cala?

Cala sits at 31.5°S, 27.7°E, 1,196 m above sea level, in South Africa. The nearest listed city is Khowa, 26 km away.

Topography around Cala

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

Within 3 km, the terrain around Cala has significant variations in elevation — a maximum elevation change of 497 m around an average of 1,228 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 810 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,269 m.

The land around Cala is covered by grassland (59%) within 3 km, grassland (79%) within 16 km, and grassland (76%) within 80 km.

3 km
497 m
16 km
810 m
80 km
2,269 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Khowa 26 km · Lady Frere 48 km · Ugie 63 km · Queensdale 78 km · Queenstown 88 km · Butterworth 99 km · Mthatha 103 km · Whittlesea 110 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 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 Cala (-31.5236°, 27.6952°, elevation 1,196 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).