Climate and monthly weather forecast
Terry, MT

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The climate of Terry

Terry is situated in a mid-latitude steppe region, which is classified as BSk under the Köppen Climate Classification. This designation implies semi-arid conditions which encompass both moderate rainfall and significant variations in temperature across different seasons. Throughout the year, Terry experiences notable fluctuations in weather parameters, characterizing its unique climatic identity.

Temperature highs in Terry range from a brisk 25.5°F (-3.6°C) in January to a peak average of 84.7°F (29.3°C) in July. On the flip side, average low temperatures fluctuate from a frosty 12.6°F (-10.8°C) in January to 64°F (17.8°C) in July. Relative humidity also exhibits variation, oscillating from a high of 85% in January and December to a low of 43% in August.

Rainfall is distributed almost year-round, peaking at 2.2" (56mm) in May. The city experiences an average maximum of 13.7 rainfall days in May, tapering to a minimum of 4 days in February. Notably, the region undergoes snowfall from January to April and then again in October and November, with January witnessing the maximum snowfall of 2.87" (73mm). The snowfall days peak at 12.9 days in January and drop to no snowfall days from June to September.

Terry enjoys ample sunlight from May to August, with daylight hours extending beyond 14 hours and the city basks in more than 10 hours of sunshine. The UV index maximizes in July with a value of 7, indicating the need for protective measures during the summer months.

The best time to visit Terry

Optimal visiting periods for Terry are largely contingent upon planned activities and weather preferences. For outdoor enthusiasts who enjoy warm weather activities, the period from June to August provides the most favorable conditions. During these months, Terry experiences temperatures fluctuating between 76.3°F (24.6°C) to 84.7°F (29.3°C), and an increased duration of daylight nearing 15 hours. It's worth noting that the UV index surges during these months, making it crucial for visitors to take necessary precautions to protect against harmful UV rays.

The worst time to visit Terry

Terry experiences its most severe weather from December to February, characterized by low temperatures dipping from 14.2°F (-9.9°C) to 26.2°F (-3.2°C) and the highest relative humidity levels of the year. In addition to the harsh cold, the region sees a decrease in daylight hours to less than 9 hours a day, with reduced visibility due to higher cloud percentage. Therefore, the winter season might not be the most ideal time for a visit unless one particularly enjoys snow and cold weather.

Spring weather in Terry

Spring in Terry spans from March to May. Temperature highs progressively increase from 41.9°F (5.5°C) to 64.9°F (18.3°C). Corresponding lows evolve from a chilly 27°F (-2.8°C) to a more comfortable 46.9°F (8.3°C). The spring season sees an escalation in rainfall with the month of May evidencing the maximum average precipitation of 2.2" (56mm). Despite this increase in rainfall, the frequency of sunshine hours also rises to 10 hours in May, making the spring season a relatively outgoing time of the year.

Summer weather in Terry

Summers in Terry, which extend from June to August, are characterized by the hottest temperatures of the year. Highs reach an average maximum of 84.7°F (29.3°C) in July, while lows bottom out at an average of 63.1°F (17.3°C) in August. Rainfall reduces during these months, although June receives an average precipitation of 1.81" (46mm). Days are considerably longer with more than 10 hours of sunshine and hence, summer turns out to be a brilliant season for outdoor activities.

Autumn weather in Terry

Autumn in Terry introduces a marked decline in temperature with September witnessing highs of 73°F (22.8°C) reducing to 40.5°F (4.7°C) by November. Similarly, there's a gradual decrease in minimum temperatures from 54.5°F (12.5°C) in September to 27°F (-2.8°C) in November. The city also sees an uptick in humidity levels and rainfall becomes moderate. Yet, September and October provide ample sunshine opportunities, perfect for early-autumn adventure seekers.

Winter weather in Terry

Terry's winter is defined by its chilly temperatures, snowfall, and shorter days. High temperatures between December and February vary from 26.2°F (-3.2°C) to 25.5°F (-3.6°C), while low temperatures fluctuate from 14.2°F (-9.9°C) to 12.6°F (-10.8°C). Terry is cloaked in a white mantle with moderate snowfall during these months, with January observing the highest snowfall of 2.87" (73mm). Daylight hours are less than 9 in December but slowly increase to 10.3 hours by late February. Despite being the coldest season, winter in Terry graces the city with a picturesque snow-clad vista, making it a sight to behold for winter lovers.

Weather in January

January weather in Terry, Montana sees the year off to a chilly start. Compared to December, temperatures mellow slightly with averages ranging from 12.6°F (-10.8°C) to 25.5°F (-3.6°C). Snowfall, frequent at 2.87" (73mm) over 12.9 days, contributes to an overall wintry landscape, making January a picturesque month. Weather in January »

Weather in February

February's weather in Terry, Montana presents a similar profile to January. Temperatures rise incrementally with low visibility settings lending a hazy view. The month faces a higher average snowfall than January, 3.62" (92mm) distributed over 12 days. Weather in February »

Weather in March

March in Terry, Montana displays a noticeable change in weather trends. Conditions become milder and signals of spring start to surface. Average snowfall reduces to 2.01" (51mm), a nearly significant decrease from February. The faint warmth of extended daylight hours and increased sunshine begins to thaw March's wintery remnants, making room for defining Spring characteristics in April. The shift from February to March in Terry sees a distinct increase in the average high-temperature, escalating from a subzero cold 26.2°F (-3.2°C) to an icy 41.9°F (5.5°C). Weather in March »

Weather in April

By April, the weather in Terry, Montana defines the Spring season. Consistent warmth and predominant sunny days replace the frosty landscape. Rainfall, averaging at 1.3" (33mm), takes over from snowfall with a seasonal shift towards more frequent precipitation. Weather in April »

Weather in May

May witnesses a considerable uplift in Terry, Montana's weather. The flowering month of May sees an upshift in maximum temperatures, averaging up to 64.9°F (18.3°C). As the climate moves towards a definitive summer trend, progressively longer days add to the warming trend. Weather in May »

Weather in June

June marks the arrival of summer in Terry, Montana. The temperature profile is warmer than in May. No snowfall occurs from June to September, fully encapsulating summer's essence. The advent of June sets the stage for the year's peak hot spells, preparing for July's intensifying warmth pattern. June's arrival brings a change in high-temperatures, moving from a comfortable 64.9°F (18.3°C) in May to a warm 76.3°F (24.6°C). Weather in June »

Weather in July

Peak summer conditions are assigned to July in Terry, Montana. The year's warmest temperatures are logged in July, soaring up to an average high of 84.7°F (29.3°C). Amid these hot conditions, the probability of precipitation is reduced, simultaneously accompanied by increased sunshine hours. Weather in July »

Weather in August

August in Terry, Montana reveals only slight variations from July's intense summer patterns. Temperatures continue to remain high, with scattered showers providing occasional relief. The comparatively lower precipitation, recorded at 1.22" (31mm), facilitates the hot and dry weather. Weather in August »

Weather in September

September weather in Terry, Montana marks the onset of autumn. Temperature averages subside from the highs of August, typically embracing milder conditions. First traces of snowfall return for the year, albeit minimal at just 0.47" (12mm). Weather in September »

Weather in October

The transformation into autumn becomes evident during October in Terry, Montana. Compared to September, the month forecasts cooler temperatures and an increase in rainfall. Snowfall days increase from zero in September to 2.4 in October. Weather in October »

Weather in November

November in Terry, Montana portrays a clear progression into winter conditions. The weather encompasses colder averages than October, and a rising prevalence of snowfall. Snowfall averages 2.56" (65mm) and occurs over 7.2 days. The transition months come to an end in November making way for the quintessential winter of December. The beginning of November in Terry marks a decrease in the average high-temperature, transitioning from a cool 54.7°F (12.6°C) in October to a cold 40.5°F (4.7°C). Weather in November »

Weather in December

Winter's peak is evident in the December weather in Terry, Montana. A clear drop in temperature from November characterizes December as a quintessential winter month. A high of 2.95" (75mm) of snow over 11.5 days reinforces the cold-dominated narratives. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Terry?

January, on average, is the coldest month, registering a high temperature of 25.5°F (-3.6°C) and a low of 12.6°F (-10.8°C).

What is the most humid month in Terry?

With an average relative humidity of 85%, January is the most humid month.

What is the driest month in Terry?

The month with the least rainfall is January, when the rain falls for 4.4 days and typically collects 0.51" (13mm) of precipitation.

How much does it rain in Terry?

Throughout the year, there are 102.6 rainfall days, and 13.35" (339mm) of precipitation is accumulated.

When does it snow in Terry?

January through May, October through December are months with snowfall in Terry.

How much does it snow in Terry?

Throughout the year, in Terry, Montana, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.

When does it snow the most in Terry?

February is the month with the most snowfall in Terry, Montana. Snow falls for 12 days and accumulates 3.62" (92mm) of snow.

What is the month with the least sunshine in Terry?

The months with the least sunshine are February and December, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST) in Terry?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Terry, 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 wettest month in Terry?

The month with the most rainfall in Terry, Montana, is May, when the rain falls for 13.7 days and typically aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Terry?

June through September are months without snowfall.

When are the longest days in Terry?

With an average of 15h and 48min of daylight, June has the longest days of the year in Terry, Montana.

What part of the year is the hottest in Terry?

In Terry, July records the average highest temperatures, peaking at 84.7°F (29.3°C) and reaching a low of 64°F (17.8°C).

What month has the most sunshine in Terry?

The month with the most sunshine is July, with an average of 11.7h of sunshine.

When is the highest UV index in Terry?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the least humid month in Terry?

August is the least humid month in Terry, Montana, with an average relative humidity of 43%.

When is the lowest UV index in Terry?

November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the month with the shortest days in Terry?

December has the shortest days of the year in Terry, Montana, with an average of 8h and 36min of daylight.

Average pressure
Terry, MT

Average pressure - Terry, MT

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed
Terry, MT

Average wind speed - Terry, MT

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average rainfall
Terry, MT

Average rainfall - Terry, MT

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days
Terry, MT

Average rainfall days - Terry, MT

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall
Terry, MT

Average snowfall - Terry, MT

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Terry, MT

Average snowfall days - Terry, MT

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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Average daylight / Average sunshine
Terry, MT

Average daylight / Average sunshine - Terry, MT

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days
Terry, MT

Average sunshine days - Terry, MT

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

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Average visibility
Terry, MT

Average visibility - Terry, MT

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).

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Terry, Montana, USA

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