Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Newcastle, Utah, is another cold winter month, with an average temperature fluctuating between 21.4°F (-5.9°C) and 36.9°F (2.7°C). The transition into January shows a subtle variation to a still cold 36.9°F (2.7°C) from December's 36.5°F (2.5°C) in the average high-temperature. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Newcastle, Utah, with an average temperature fluctuating between 38.8°F (3.8°C) and 23.4°F (-4.8°C). The ushering in of February brings an average high-temperature of a still wintry 38.8°F (3.8°C), closely mirroring the 36.9°F (2.7°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Newcastle, is a frosty month, with an average temperature varying between 47.8°F (8.8°C) and 29.8°F (-1.2°C). As February transitions into March, Newcastle sees a rise in the average high-temperature, moving from a wintry 38.8°F (3.8°C) to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in Newcastle, Utah, is a cool spring month, with an average temperature varying between 55.2°F (12.9°C) and 34.9°F (1.6°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a frosty 47.8°F (8.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Newcastle, Utah, with an average temperature ranging between min 42.1°F (5.6°C) and max 64.9°F (18.3°C). In Newcastle, the average high-temperature in May increases from a cool 55.2°F (12.9°C) in April to a comfortable 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Newcastle, is a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 52°F (11.1°C). June's arrival brings a temperature shift, moving from an enjoyable 64.9°F (18.3°C) in May to a warm 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Newcastle, Utah, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 59°F (15°C). July is the warmest month, with the temperature often reaching an average high of 82.8°F (28.2°C) and an average low of 59°F (15°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Newcastle, Utah, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 57.4°F (14.1°C). As Newcastle transitions into August, the average high-temperature stands at a still warm 81°F (27.2°C), offering little variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Newcastle, Utah, with an average temperature fluctuating between 73.4°F (23°C) and 50.9°F (10.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from 81°F (27.2°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Newcastle, Utah, with an average temperature ranging between max 59.5°F (15.3°C) and min 39.4°F (4.1°C). The move into October indicates a reduction in the average high-temperature, down from September's warm 73.4°F (23°C) to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Newcastle, Utah, with an average temperature fluctuating between 48.2°F (9°C) and 28.8°F (-1.8°C). With the onset of November, Newcastle's average high-temperature adjusts, receding from October's mild 59.5°F (15.3°C) to a frosty 48.2°F (9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Newcastle, Utah, with an average temperature varying between 36.5°F (2.5°C) and 20.8°F (-6.2°C). Newcastle's December weather, with an average high temperature of 36.5°F (2.5°C) and an average low temperature of 20.8°F (-6.2°C), tends to be the coldest of the year. Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
January is the most humid month, with an average relative humidity of 75%.
How much does it rain?
Throughout the year, there are 84.2 rainfall days, and 9.21" (234mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, in Newcastle, there are 33.4 snowfall days, and 18.11" (460mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 6.4h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the least humid month?
The least humid month is June, with an average relative humidity of 26%.
What is the driest month?
The month with the least rainfall is June, when the rain falls for 3.9 days and typically collects 0.24" (6mm) of precipitation.
When it does not snow?
In Newcastle, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 11.8h of sunshine.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What time of the year is the hottest?
The highest temperatures are recorded in July, with averages reaching a high of 82.8°F (28.2°C) and a low of 59°F (15°C).
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 14.2 days and typically aggregates up to 1.81" (46mm) of precipitation.
What is the coldest month?
Newcastle's temperature records reveal December as the coldest month, marked by average highs of 36.5°F (2.5°C) and lows of 20.8°F (-6.2°C).
When does it snow the most?
The month with the most snowfall is December, when snow falls for 8.1 days and typically aggregates up to 4.25" (108mm) of snow.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Newcastle, UT
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure
Newcastle, UT
- Average pressure in January:
30.21"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Newcastle, UT
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
8.3mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.4mph - Average wind speed in September:
6.5mph - Average wind speed in October:
6.9mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity
Newcastle, UT
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).
Average rainfall
Newcastle, UT
- Average rainfall in January:
0.51" - Average rainfall in February:
0.59" - Average rainfall in March:
0.79" - Average rainfall in April:
0.71" - Average rainfall in May:
0.71" - Average rainfall in June:
0.24"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.46" - Average rainfall in September:
0.67" - Average rainfall in October:
0.39" - Average rainfall in November:
0.59" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days
Newcastle, UT
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
8.4 days - Average rainfall days in May:
7.7 days - Average rainfall days in June:
3.9 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
7.4 days - Average rainfall days in October:
5.6 days - Average rainfall days in November:
3.2 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall
Newcastle, UT
- Average snowfall in January:
3.07" - Average snowfall in February:
3.35" - Average snowfall in March:
3.19" - Average snowfall in April:
1.1" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Newcastle, UT
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Newcastle, UT
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 5min - Average sunshine in October:
8h and 1min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days
Newcastle, UT
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
18.7 days - Average sunshine days in March:
19.7 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
19.5 days - Average sunshine days in June:
24 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
22.9 days - Average sunshine days in November:
23.5 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Newcastle, UT
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Newcastle, UT
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility
Newcastle, UT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newcastle, Utah, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location