May weather forecast
Batavia, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Batavia, Iowa, with an average temperature varying between 70.3°F (21.3°C) and 53.6°F (12°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a mild 60.4°F (15.8°C) in April to a pleasant 70.3°F (21.3°C). Batavia experiences an average temperature drop to a cool 53.6°F (12°C) during May nights.

Humidity

The average relative humidity in May in Batavia is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.4 days and typically aggregates up to 4.45" (113mm) of precipitation.

Snowfall

In Batavia, snow does not fall in May through September.

Daylight

In Batavia, the average length of the day in May is 14h and 29min.
On the first day of May in Batavia, sunrise is at 6:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

Sunshine

In Batavia, Iowa, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Batavia?

The average high-temperature, in May, in Batavia, is 70.3°F (21.3°C), while the average low-temperature is 53.6°F (12°C).

What is the average humidity in May in Batavia?

In May, the average relative humidity in Batavia, Iowa, is 80%.

What is the wettest month in Batavia?

The month with the most rainfall is May, when the rain falls for 17.4 days and typically aggregates up to 4.45" (113mm) of precipitation.

How many days does it rain in May in Batavia?

In Batavia, Iowa, in May, it is raining for 17.4 days, with typically 4.45" (113mm) of accumulated precipitation.

When it does not snow in Batavia?

May through September are months without snowfall in Batavia.

Does it snow in Batavia in May?

In May, in Batavia, Iowa, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Batavia have in May?

In May, the average day length in Batavia, Iowa, is 14h and 29min.

What time are sunrise and sunset in May in Batavia?

On the first day of May, sunrise is at 6:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:34 pm CDT.

How long on average sun shines in May in Batavia?

In Batavia, Iowa, the average sunshine duration in May is 8.5h.

What is the UV index intensity in May in Batavia?

In May, the average daily maximum UV index in Batavia, Iowa, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Batavia, IA

Average temperature in May - Batavia, IA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in May
Batavia, IA

Average pressure in May - Batavia, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Batavia, IA

Average wind speed in May - Batavia, IA
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in May
Batavia, IA

Average humidity in May - Batavia, IA
  • Average humidity in May: 80%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Batavia, IA

Average rainfall in May - Batavia, IA
  • Average rainfall in May: 4.45"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").

Average rainfall days in May
Batavia, IA

Average rainfall days in May - Batavia, IA
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in May
Batavia, IA

Average snowfall in May - Batavia, IA
  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Batavia, IA

Average snowfall days in May - Batavia, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Batavia, IA

Average daylight in May / Average sunshine in May - Batavia, IA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in May
Batavia, IA

Average sunshine days in May - Batavia, IA
  • Average sunshine days in May: 11 days

The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
Batavia, IA

Average UV index in May - Batavia, IA
  • Average UV index in May: 5

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

Average cloud cover in May
Batavia, IA

Average cloud cover in May - Batavia, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in May
Batavia, IA

Average visibility in May - Batavia, IA
  • Average visibility in May: 6mi

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

Batavia, Iowa, USA

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