Siaya weather in January
In January, Siaya sees average daytime highs of 27°C and overnight lows near 20°C, with 137 mm of rain across 18.3 wet days and about 12 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 31% of the time in January, and the air most often feels muggy.
Daylight stretches from about 12 hours at the start of January to 12 hours by month's end. Set against the rest of the year, January is Siaya's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Siaya's year-round climate.
- Daytime high
- 27°
- 3rd warmest
- Overnight low
- 20°
- 8th coldest
- Rainfall
- 137 mm
- 18.3 wet days
- Daylight
- 12 hours
- 6:52 AM – 6:52 PM
- Cloud cover
- 59%
- 2nd clearest
- Wind
- 7 km/h
- 2nd windiest
- Solar energy
- 6.39 kWh/m²
- Travel score
- 5.3
- out of 10
Siaya is town in Siaya County, Kenya.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 27°C through the month.
A typical January day in Siaya reaches about 27°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 19 |
| 2 | 27 | 19 |
| 3 | 27 | 19 |
| 4 | 27 | 19 |
| 5 | 27 | 20 |
| 6 | 27 | 20 |
| 7 | 27 | 20 |
| 8 | 27 | 20 |
| 9 | 27 | 20 |
| 10 | 27 | 20 |
| 11 | 27 | 20 |
| 12 | 27 | 20 |
| 13 | 27 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 20 |
| 19 | 27 | 20 |
| 20 | 27 | 20 |
| 21 | 27 | 20 |
| 22 | 27 | 20 |
| 23 | 28 | 20 |
| 24 | 28 | 20 |
| 25 | 28 | 20 |
| 26 | 28 | 20 |
| 27 | 28 | 20 |
| 28 | 28 | 20 |
| 29 | 28 | 20 |
| 30 | 28 | 20 |
| 31 | 28 | 20 |
Siaya weather by month
How January compares with the rest of the year at a glance. January is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 20° | 137 | 18.3 | 12 | 5.3 |
| Feb | 28° / 20° | 107 | 15.2 | 12 | 5.1 |
| Mar | 27° / 20° | 198 | 22.8 | 12 | 4.6 |
| Apr | 26° / 20° | 280 | 27.5 | 12 | 3.7 |
| May | 26° / 20° | 231 | 28.4 | 12 | 3.9 |
| Jun | 26° / 19° | 129 | 23.4 | 12 | 4.5 |
| Jul | 26° / 19° | 99 | 19.9 | 12 | 5.1 |
| Aug | 26° / 19° | 124 | 22.6 | 12 | 4.8 |
| Sep | 27° / 19° | 134 | 24.4 | 12 | 4.3 |
| Oct | 27° / 20° | 212 | 28.1 | 12 | 3.8 |
| Nov | 26° / 19° | 232 | 27.3 | 12 | 3.8 |
| Dec | 27° / 19° | 183 | 23.1 | 12 | 4.7 |
Cloud cover in January
The sky is clear or mostly clear about 31% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 50%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 47 | 48 | 47 | 47 | 48 | 48 | 49 | 50 | 50 | 51 | 51 | 52 | 52 | 53 | 54 | 55 | 55 | 54 | 55 |
| Cloudier (%) | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 52 | 53 | 53 | 52 | 52 | 51 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 46 | 45 | 45 | 46 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 50 | 50 |
| 3 | 50 | 50 |
| 4 | 50 | 50 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 49 | 51 |
| 8 | 48 | 52 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 47 | 53 |
| 12 | 47 | 53 |
| 13 | 47 | 53 |
| 14 | 48 | 52 |
| 15 | 47 | 53 |
| 16 | 47 | 53 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 49 | 51 |
| 20 | 50 | 50 |
| 21 | 50 | 50 |
| 22 | 51 | 49 |
| 23 | 51 | 49 |
| 24 | 52 | 48 |
| 25 | 52 | 48 |
| 26 | 53 | 47 |
| 27 | 54 | 46 |
| 28 | 55 | 45 |
| 29 | 55 | 45 |
| 30 | 54 | 46 |
| 31 | 55 | 45 |
Chance of precipitation in January
Siaya gets around 137 mm of rain over 18.3 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 59% and peaks near 63% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 53 | 52 | 51 | 51 | 50 |
| Rain chance (%) | |
|---|---|
| 1 | 63 |
| 2 | 63 |
| 3 | 63 |
| 4 | 62 |
| 5 | 62 |
| 6 | 62 |
| 7 | 62 |
| 8 | 62 |
| 9 | 62 |
| 10 | 62 |
| 11 | 62 |
| 12 | 62 |
| 13 | 62 |
| 14 | 62 |
| 15 | 62 |
| 16 | 62 |
| 17 | 61 |
| 18 | 61 |
| 19 | 60 |
| 20 | 59 |
| 21 | 58 |
| 22 | 57 |
| 23 | 56 |
| 24 | 55 |
| 25 | 54 |
| 26 | 53 |
| 27 | 53 |
| 28 | 52 |
| 29 | 51 |
| 30 | 51 |
| 31 | 50 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Comfortable (%) | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 |
| Humid (%) | 45 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 41 | 41 | 42 | 42 | 42 | 42 | 43 | 43 | 42 | 42 | 42 | 42 | 42 |
| Muggy (%) | 49 | 50 | 50 | 51 | 52 | 52 | 52 | 52 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 49 | 48 | 48 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 44 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 0 | 6 | 45 | 49 |
| 2 | 0 | 6 | 44 | 50 |
| 3 | 0 | 6 | 44 | 50 |
| 4 | 0 | 6 | 43 | 51 |
| 5 | 0 | 6 | 42 | 52 |
| 6 | 0 | 6 | 42 | 52 |
| 7 | 0 | 7 | 41 | 52 |
| 8 | 0 | 7 | 41 | 52 |
| 9 | 0 | 7 | 40 | 53 |
| 10 | 0 | 7 | 40 | 53 |
| 11 | 1 | 7 | 40 | 52 |
| 12 | 1 | 7 | 40 | 52 |
| 13 | 1 | 7 | 40 | 52 |
| 14 | 1 | 7 | 40 | 52 |
| 15 | 1 | 7 | 40 | 52 |
| 16 | 1 | 8 | 40 | 51 |
| 17 | 1 | 8 | 40 | 51 |
| 18 | 1 | 8 | 40 | 51 |
| 19 | 1 | 8 | 41 | 50 |
| 20 | 1 | 8 | 41 | 49 |
| 21 | 2 | 9 | 42 | 48 |
| 22 | 2 | 9 | 42 | 48 |
| 23 | 2 | 9 | 42 | 47 |
| 24 | 2 | 9 | 42 | 46 |
| 25 | 2 | 9 | 43 | 46 |
| 26 | 2 | 10 | 43 | 45 |
| 27 | 2 | 10 | 42 | 45 |
| 28 | 2 | 10 | 42 | 45 |
| 29 | 3 | 10 | 42 | 45 |
| 30 | 3 | 11 | 42 | 44 |
| 31 | 3 | 11 | 42 | 44 |
Wind in January
Winds average 7 km/h in January.
Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in January
Daylight runs from about 12 hours at the start of January to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over January. Sunrise moves from 6:46 AM to 6:56 AM, and sunset from 6:46 PM to 6:56 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:46 | 6:47 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:56 |
| Sunset (PM) | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.0 | 6:46 | 6:46 |
| 2 | 12.0 | 6:47 | 6:46 |
| 3 | 12.0 | 6:47 | 6:47 |
| 4 | 12.0 | 6:47 | 6:47 |
| 5 | 12.0 | 6:48 | 6:48 |
| 6 | 12.0 | 6:48 | 6:48 |
| 7 | 12.0 | 6:49 | 6:49 |
| 8 | 12.0 | 6:49 | 6:49 |
| 9 | 12.0 | 6:50 | 6:49 |
| 10 | 12.0 | 6:50 | 6:50 |
| 11 | 12.0 | 6:50 | 6:50 |
| 12 | 12.0 | 6:51 | 6:51 |
| 13 | 12.0 | 6:51 | 6:51 |
| 14 | 12.0 | 6:52 | 6:51 |
| 15 | 12.0 | 6:52 | 6:52 |
| 16 | 12.0 | 6:52 | 6:52 |
| 17 | 12.0 | 6:53 | 6:52 |
| 18 | 12.0 | 6:53 | 6:53 |
| 19 | 12.0 | 6:53 | 6:53 |
| 20 | 12.0 | 6:54 | 6:53 |
| 21 | 12.0 | 6:54 | 6:54 |
| 22 | 12.0 | 6:54 | 6:54 |
| 23 | 12.0 | 6:54 | 6:54 |
| 24 | 12.0 | 6:55 | 6:55 |
| 25 | 12.0 | 6:55 | 6:55 |
| 26 | 12.0 | 6:55 | 6:55 |
| 27 | 12.0 | 6:55 | 6:55 |
| 28 | 12.0 | 6:56 | 6:55 |
| 29 | 12.0 | 6:56 | 6:56 |
| 30 | 12.0 | 6:56 | 6:56 |
| 31 | 12.0 | 6:56 | 6:56 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 6.39 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 — January's 6.39 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.6 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.7 | Intense |
Is January a good time to visit Siaya?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Siaya for sightseeing.
What to pack for Siaya in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Siaya sees daytime highs around 27°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.
UV index in Siaya in January
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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 16 | 14 | 11 | 10 | 11 | 11 | 12 | 14 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in Siaya in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 74 | 68 | 67 | 67 | 69 | 78 | 76 | 74 | 71 | 73 | 77 | 76 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 74 | Unhealthy |
| Feb | 68 | Unhealthy |
| Mar | 67 | Unhealthy |
| Apr | 67 | Unhealthy |
| May | 69 | Unhealthy |
| Jun | 78 | Unhealthy |
| Jul | 76 | Unhealthy |
| Aug | 74 | Unhealthy |
| Sep | 71 | Unhealthy |
| Oct | 73 | Unhealthy |
| Nov | 77 | Unhealthy |
| Dec | 76 | Unhealthy |
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.
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
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).