January weather forecast
Rejowinangun, Indonesia

January

Weather in January

January, the same as December, is a moderately hot summer month in Rejowinangun, Indonesia, with an average temperature fluctuating between 23.3°C (73.9°F) and 28.6°C (83.5°F).

Temperature

Rejowinangun experiences an average high-temperature of a still moderately hot 28.6°C (83.5°F) in January, marking an insignificant shift from 28.7°C (83.7°F) in December. Rejowinangun, in January, observes a steady average low-temperature of 23.3°C (73.9°F).

Heat index

During January, the heat index is estimated at a hot 34°C (93.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in January in Rejowinangun, Indonesia, is 83%.

Rainfall

In Rejowinangun, during January, the rain falls for 30.3 days and regularly aggregates up to 209mm (8.23") of precipitation. In Rejowinangun, during the entire year, the rain falls for 294.6 days and collects up to 1749mm (68.86") of precipitation.

Daylight

In Rejowinangun, the average length of the day in January is 12h and 31min.
On the first day of January in Rejowinangun, sunrise is at 05:24 and sunset at 17:58. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 WIB.

Sunshine

The average sunshine in January is 8.6h.

UV index

The months with the lowest UV index in Rejowinangun are January, April through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in January suggests the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

How hot does it get in Rejowinangun in January?
The high-temperature, in January, in Rejowinangun, is 28.6°C (83.5°F), while the low-temperature averages to 23.3°C (73.9°F). In January, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 34°C (93.2°F).
What is the average humidity in January in Rejowinangun?
The average relative humidity in January in Rejowinangun is 83%.
How many days does it rain in January in Rejowinangun?
In Rejowinangun, in January, during 30.3 rainfall days, 209mm (8.23") of precipitation is typically accumulated.
How many hours of daylight does Rejowinangun have in January?
In Rejowinangun, Indonesia, the average day length in January is 12h and 31min.
When is the sunrise / sunset in January in Rejowinangun?
On the first day of January in Rejowinangun, Indonesia, sunrise is at 05:24 and sunset at 17:58. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 WIB.
How long on average sun shines in January in Rejowinangun?
In January, the average sunshine duration in Rejowinangun is 8.6h.
What is the month with the lowest UV index in Rejowinangun?
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index reading in January in Rejowinangun?
In January, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Rejowinangun, Indonesia
  • Average high temperature in January: 28.6°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in January: 23.3°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in January
Rejowinangun, Indonesia
  • Average pressure in January: 1009.2mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in January
Rejowinangun, Indonesia
  • Average wind speed in January: 9.2km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in January
Rejowinangun, Indonesia
  • Average humidity in January: 83%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in January
Rejowinangun, Indonesia
  • Average rainfall in January: 209mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in January
Rejowinangun, Indonesia
  • Average rainfall days in January: 30.3 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in January /
Average sunshine in January
Rejowinangun, Indonesia
  • Average daylight in January: 12h and 3min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in January: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in January
Rejowinangun, Indonesia
  • Average sunshine days in January: 0.4 days

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

Average UV index in January
Rejowinangun, Indonesia
  • Average UV index in January: 6

The months with the highest UV index are February, March and October (UV index 7).
The months with the lowest UV index are January, April, May, June, July, August, September, November and December (UV index 6).

Average cloud cover in January
Rejowinangun, Indonesia
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).

Average visibility in January
Rejowinangun, Indonesia
  • Average visibility in January: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

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