May weather forecast
Lamont, IA

Share

Weather in May

May, the last month of the spring in Lamont, is a comfortable month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50.4°F (10.2°C).

Temperature

May indicates a change in the average high-temperature, moving up from a fresh 55.2°F (12.9°C) in April to an enjoyable 66.7°F (19.3°C). During the nights in May, Lamont experiences a consistent average temperature of 50.4°F (10.2°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Lamont, during May, the rain falls for 19.2 days and regularly aggregates up to 4.41" (112mm) of precipitation. Throughout the year, there are 142.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lamont aggregates 0.12" (3mm) of snow. Throughout the year, there are 51 snowfall days, and 22.05" (560mm) of snow is accumulated.

Daylight

In Lamont, the average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:37 pm CDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What are the temperatures in May?

The average high-temperature, in May, in Lamont, is 66.7°F (19.3°C), while the average low-temperature is 50.4°F (10.2°C).

What is the average humidity in May?

The average relative humidity in May is 80%.

How much does it rain in May?

In Lamont, during May, the rain falls for 19.2 days and regularly aggregates up to 4.41" (112mm) of precipitation.

What is the last month it snows?

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

How many hours of daylight does Lamont have in May?

The average day length in May is 14h and 38min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:37 pm CDT.

How many hours of sunshine does Lamont have in May?

The average sunshine duration in May is 8.2h.

What is the UV index intensity in May?

In Lamont, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lamont, IA

Average temperature in May - Lamont, IA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in May: 50.4°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in May
Lamont, IA

Average pressure in May - Lamont, 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 (29.89"Hg).

Average wind speed in May
Lamont, IA

Average wind speed in May - Lamont, IA
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in May
Lamont, IA

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

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

Average rainfall in May
Lamont, IA

Average rainfall in May - Lamont, IA
  • Average rainfall in May: 4.41"

The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in May
Lamont, IA

Average rainfall days in May - Lamont, IA
  • Average rainfall days in May: 19.2 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in May
Lamont, IA

Average snowfall in May - Lamont, IA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Lamont, IA

Average snowfall days in May - Lamont, IA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in May
Lamont, IA

Average sunshine days in May - Lamont, IA
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in May
Lamont, IA

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

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

Average cloud cover in May
Lamont, IA

Average cloud cover in May - Lamont, IA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Lamont, IA

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

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

Lamont, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location