May weather forecast
Delhi, IA

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Weather in May

The last month of the spring, May, is a refreshing month in Delhi, Iowa, with an average temperature ranging between max 66.9°F (19.4°C) and min 50.5°F (10.3°C).

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's moderate 55.8°F (13.2°C) to an enjoyable 66.9°F (19.4°C). An average low-temperature of 50.5°F (10.3°C) is observed in Delhi, Iowa, during the May nights.

Humidity

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

Rainfall

The month with the most rainfall in Delhi is May, when the rain falls for 14.9 days and typically aggregates up to 2.13" (54mm) of precipitation.

Snowfall

May through September are months without snowfall in Delhi.

Daylight

In May, the average length of the day in Delhi is 14h and 37min.
On the first day of May, sunrise is at 5:59 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:35 pm CDT.

Sunshine

In May, the average sunshine is 8.1h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Delhi. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Delhi?

During May, Delhi experiences an average high-temperature of 66.9°F (19.4°C) and a low-temperature of 50.5°F (10.3°C).

What is the average humidity in May in Delhi?

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

What is the rainiest month in Delhi?

The month with the most rainfall in Delhi is May, when the rain falls for 14.9 days and typically aggregates up to 2.13" (54mm) of precipitation.

How many days does it rain in May in Delhi?

In Delhi, in May, during 14.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Delhi?

May through September are months without snowfall in Delhi, Iowa.

Does it snow in Delhi in May?

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

What is the average length of the day in May in Delhi?

The average day length in May is 14h and 37min.

What time are sunrise and sunset in May in Delhi?

On the first day of May in Delhi, Iowa, sunrise is at 5:59 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:35 pm CDT.

How long on average sun shines in May in Delhi?

In May, the average sunshine duration in Delhi is 8.1h.

When is the highest UV index in Delhi?

The months with the highest UV index in Delhi are May through August, with an average maximum UV index of 5.

How high is the UV index in May in Delhi?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Delhi, IA

Average temperature in May - Delhi, IA
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in May
Delhi, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Delhi, IA

Average wind speed in May - Delhi, IA
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in May
Delhi, IA

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

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in May
Delhi, IA

Average rainfall in May - Delhi, IA
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in May
Delhi, IA

Average rainfall days in May - Delhi, IA
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in May
Delhi, IA

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

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Delhi, IA

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

The month with the highest number of snowfall days is January (10.8 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
Delhi, IA

Average daylight in May / Average sunshine in May - Delhi, IA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Delhi, IA

Average sunshine days in May - Delhi, IA
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in May
Delhi, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Delhi, IA

Average cloud cover in May - Delhi, IA
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in May
Delhi, IA

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

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

Delhi, Iowa, USA

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