March weather forecast
Dorchester, IA

Share

Weather in March

March, the first month of the spring in Dorchester, is a cold month, with an average temperature ranging between min 26.1°F (-3.3°C) and max 41°F (5°C).

Temperature

The onset of March marks a clear increase in the average high-temperature, escalating from a freezing cold 25.7°F (-3.5°C) in February to a cold 41°F (5°C). In March, the average low-temperature in Dorchester records at a freezing cold 26.1°F (-3.3°C) during the nights.

Humidity

In Dorchester, Iowa, the average relative humidity in March is 82%.

Rainfall

In Dorchester, in March, it is raining for 9.3 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Dorchester, there are 130.5 rainfall days, and 26.5" (673mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dorchester are January through May, October through December. In March, in Dorchester, it is snowing for 7.4 days. Throughout March, 2.72" (69mm) of snow is accumulated. Throughout the year, in Dorchester, Iowa, there are 51.4 snowfall days, and 22.2" (564mm) of snow is accumulated.

Daylight

In March, the average length of the day in Dorchester is 11h and 58min.
On the first day of March, sunrise is at 6:40 am and sunset at 5:55 pm CST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:32 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In Dorchester, the average sunshine in March is 5.6h.

UV index

The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In March, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
[Resources]

Frequently asked questions

How cold is it in Dorchester in March?

The average high-temperature and low-temperature in Dorchester during March are 41°F (5°C) and 26.1°F (-3.3°C) respectively.

What is the average humidity in March in Dorchester?

In Dorchester, the average relative humidity in March is 82%.

How much does it rain in Dorchester in March?

In Dorchester, in March, during 9.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

How many days does it snow in March in Dorchester?

In Dorchester, during March, snow falls for 7.4 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the average length of the day in March in Dorchester?

The average day length in March in Dorchester, Iowa, is 11h and 58min.

What time are sunrise and sunset in March in Dorchester?

In March, on the first day of the month, sunrise is at 6:40 am and sunset at 5:55 pm CST. On the last day of the month, in Dorchester, sunrise is at 6:47 am and sunset at 7:32 pm CDT.

When does Daylight Saving Time (DST) start in March in Dorchester?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dorchester, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Dorchester?

The average sunshine duration in March in Dorchester is 5.6h.

What is the UV index reading in March in Dorchester?

In March, the average daily maximum UV index in Dorchester, Iowa, is 2. A UV Index value of 2, and less, symbolizes a low health threat from 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 March
Dorchester, IA

Average temperature in March - Dorchester, IA
  • Average high temperature in March: 41°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 (21.7°F).

  • Average low temperature in March: 26.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).

[Resources]

Average pressure in March
Dorchester, IA

Average pressure in March - Dorchester, IA
  • Average pressure in March: 30.09"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).

[Resources]

Average wind speed in March
Dorchester, IA

Average wind speed in March - Dorchester, IA
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

[Resources]

Average humidity in March
Dorchester, IA

Average humidity in March - Dorchester, IA
  • Average humidity in March: 82%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).

[Resources]

Average rainfall in March
Dorchester, IA

Average rainfall in March - Dorchester, IA
  • Average rainfall in March: 1.46"

The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.87").

[Resources]

Average rainfall days in March
Dorchester, IA

Average rainfall days in March - Dorchester, IA
  • Average rainfall days in March: 9.3 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3 days).

[Resources]

Average snowfall in March
Dorchester, IA

Average snowfall in March - Dorchester, IA
  • Average snowfall in March: 2.72"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in March
Dorchester, IA

Average snowfall days in March - Dorchester, IA
  • Average snowfall days in March: 7.4 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in March /
Average sunshine in March
Dorchester, IA

Average daylight in March / Average sunshine in March - Dorchester, IA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 5h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

[Resources]

Average sunshine days in March
Dorchester, IA

Average sunshine days in March - Dorchester, IA
  • Average sunshine days in March: 15.6 days

The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is June (9.8 days).

[Resources]

Average UV index in March
Dorchester, IA

Average UV index in March - Dorchester, IA
  • Average UV index in March: 2

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

[Resources]

Average cloud cover in March
Dorchester, IA

Average cloud cover in March - Dorchester, IA
  • Average cloud cover in March: 55

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

[Resources]

Average visibility in March
Dorchester, IA

Average visibility in March - Dorchester, IA
  • Average visibility in March: 5mi

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

[Resources]

Dorchester, Iowa, USA

Weather forecast for your location

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