Siaya weather in June

In June, Siaya sees average daytime highs of 26°C and overnight lows near 19°C, with 129 mm of rain across 23.4 wet days and about 12 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 17% of the time in June, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of June to 12 hours by month's end. Set against the rest of the year, June is Siaya's 7th-clearest and 11th-windiest month. For the whole year in context, see Siaya's year-round climate.

Daytime high
26°
11th warmest
Overnight low
19°
3rd coldest
Rainfall
129 mm
23.4 wet days
Daylight
12 hours
6:43 AM – 6:43 PM
Cloud cover
66%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
5.5 kWh/m²
Travel score
4.5
out of 10

Siaya is town in Siaya County, Kenya.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical June day in Siaya reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, June runs on par with May and on par with July.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12620
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619

Siaya weather by month

How June compares with the rest of the year at a glance. June is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°13718.3125.3
Feb28° / 20°10715.2125.1
Mar27° / 20°19822.8124.6
Apr26° / 20°28027.5123.7
May26° / 20°23128.4123.9
Jun26° / 19°12923.4124.5
Jul26° / 19°9919.9125.1
Aug26° / 19°12422.6124.8
Sep27° / 19°13424.4124.3
Oct27° / 20°21228.1123.8
Nov26° / 19°23227.3123.8
Dec27° / 19°18323.1124.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 26% of June, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55149
65050
74951
84852
94852
104654
114456
124456
134258
144258
154159
164060
173961
183961
193961
203862
213862
223862
233862
243961
254060
264060
274060
284159
294159
304258

Chance of precipitation in June

Any precipitation

Siaya gets around 129 mm of rain over 23.4 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 78% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
285
384
484
583
682
781
881
980
1079
1178
1278
1377
1477
1576
1676
1776
1876
1976
2076
2176
2276
2375
2475
2575
2674
2774
2873
2973
3072

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
102674
202872
303070
403367
503565
603763
703961
804159
914356
1014554
1114752
1214950
1315148
1415346
1515544
1615742
1715940
1816138
1916336
2016534
2116732
2216930
2317029
2417227
2517425
2617623
2717722
2817920
2918019
3018217

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 hours at the start of June to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 6:40 AM to 6:46 AM, and sunset from 6:40 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:406:40
212.06:406:41
312.06:416:41
412.06:416:41
512.06:416:41
612.06:416:41
712.06:416:41
812.06:416:42
912.06:426:42
1012.06:426:42
1112.06:426:42
1212.06:426:42
1312.06:426:43
1412.06:436:43
1512.06:436:43
1612.06:436:43
1712.06:436:43
1812.06:436:44
1912.06:446:44
2012.06:446:44
2112.06:446:44
2212.06:446:44
2312.06:446:45
2412.06:456:45
2512.06:456:45
2612.06:456:45
2712.06:456:45
2812.06:456:46
2912.06:466:46
3012.06:466:46

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.5 kWh/m².

For context, solar energy here swings from a low near 5.49 kWh/m² to a high of 6.74 kWh/m² in February across the year — June's 5.5 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in June

Is June a good time to visit Siaya?

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

4.5
Sightseeing
7th-best month of the year
4.4
Beach & pool
7th-best month of the year

June is a reasonable time to visit Siaya for sightseeing.

What to pack for Siaya in June

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

In June, Siaya sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Siaya in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siaya peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Siaya in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Siaya is worst in June — around 78 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJun 2177 µg/m³Apr 967 µg/m³
PM2.5 (µg/m³)Level
Jan74Unhealthy
Feb68Unhealthy
Mar67Unhealthy
Apr67Unhealthy
May69Unhealthy
Jun78Unhealthy
Jul76Unhealthy
Aug74Unhealthy
Sep71Unhealthy
Oct73Unhealthy
Nov77Unhealthy
Dec76Unhealthy
Location & terrain

Where is Siaya?

Siaya sits at 0.1°N, 34.3°E, 1,321 m above sea level, in Kenya. The nearest listed city is Bondo, 18 km away.

Topography around Siaya

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

Within 3 km, the terrain around Siaya has only modest variations in elevation — a maximum elevation change of 156 m around an average of 1,292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 310 m; within 80 km, large variations in elevation — a maximum elevation change of 1,175 m.

The land around Siaya is covered by shrubs (37%) and grassland (29%) within 3 km, shrubs (42%) and grassland (35%) within 16 km, and water (29%) and shrubs (27%) within 80 km.

3 km
156 m
16 km
310 m
80 km
1,175 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Bondo 18 km · Khwisero 36 km · Lugulu 37 km · Mumias 38 km · Mbale 48 km · Busia 49 km · Busia 50 km · Kisumu 56 km

Kenya travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,363
2025
Happiness
4.7 / 10
World Happiness, 2025
Homicide rate
4.9
per 100k, 2022
Road deaths
28.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 593
Religion
Christian 86%Muslim 11%other 2%none 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 Siaya (0.0607°, 34.2881°, elevation 1,321 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).