May weather forecast
Java, SD

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Weather in May

May, the last month of the spring in Java, is an enjoyable month, with an average temperature ranging between max 66.6°F (19.2°C) and min 48.2°F (9°C).

Temperature

Java sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 54.1°F (12.3°C) to a comfortable 66.6°F (19.2°C). During the month of May, the nighttime temperature falls to an average of 48.2°F (9°C).

Humidity

The average relative humidity in May in Java is 62%.

Rainfall

In May, in Java, the rain falls for 13.2 days. Throughout May, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Java. May is the last month it regularly snows. During 0.3 snowfall days, in May, Java aggregates 0.12" (3mm) of snow. In Java, during the entire year, snow falls for 49.4 days and aggregates up to 19.09" (485mm) of snow.

Daylight

In May, the average length of the day in Java is 14h and 56min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:46 pm. On the last day of May, in Java, South Dakota, sunrise is at 5:54 am and sunset at 9:20 pm CDT.

Sunshine

In May, the average sunshine in Java is 9.3h.

UV index

The average daily maximum UV index in May in Java is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the usual temperature for Java in May?

May temperatures in Java vary between a high-temperature of 66.6°F (19.2°C) and a low-temperature of 48.2°F (9°C).

What is the average humidity in May in Java?

In May, the average relative humidity in Java, South Dakota, is 62%.

How much does it rain in Java in May?

In Java, South Dakota, in May, during 13.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

What is the last month it snows in Java?

May is the last month it regularly snows in Java. During 0.3 snowfall days, in May, Java aggregates 0.12" (3mm) of snow.

How many hours of daylight does Java have in May?

The average day length in May is 14h and 56min.

What time are sunrise and sunset in May in Java?

On the first day of May, sunrise is at 6:26 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:20 pm CDT.

How long on average sun shines in May in Java?

The average sunshine duration in May is 9.3h.

What is the UV index reading in May in Java?

In May, the average daily maximum UV index in Java, South Dakota, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Java, SD

Average temperature in May - Java, SD
  • Average high temperature in May: 66.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in May
Java, SD

Average pressure in May - Java, SD
  • Average pressure in May: 29.92"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in May
Java, SD

Average wind speed in May - Java, SD
  • Average wind speed in May: 10.8mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

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Average humidity in May
Java, SD

Average humidity in May - Java, SD
  • Average humidity in May: 62%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in May
Java, SD

Average rainfall in May - Java, SD
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in May
Java, SD

Average rainfall days in May - Java, SD
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in May
Java, SD

Average snowfall in May - Java, SD
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Java, SD

Average snowfall days in May - Java, SD
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Java, SD

Average daylight in May / Average sunshine in May - Java, SD
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Java, SD

Average sunshine days in May - Java, SD
  • Average sunshine days in May: 15.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in May
Java, SD

Average UV index in May - Java, SD
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Java, SD

Average cloud cover in May - Java, SD
  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in May
Java, SD

Average visibility in May - Java, SD
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Java, South Dakota, USA

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