Climate and monthly weather forecast
Rathdrum, ID

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The climate of Rathdrum

Located in the state of Idaho in the USA, Rathdrum experiences a Mediterranean climate with warm summers (Csb) according to the Köppen Climate Classification. This northern city sees a range of temperatures and weather patterns throughout the year. Fluctuating from a high of 82°F (27.8°C) in August to a low of 21.2°F (-6°C) in December, the weather conditions alter significantly across seasons.

Rathdrum sees relative humidity levels ranging from a high of 93% in January to a low of 48% in August. Rainfall also varies substantially over the year, with the highest rainfall of 3.27" (83mm) occurring in January and the least, 0.43" (11mm), in July and August. Rathdrum experiences snowfall from October to April with the most substantial quantity, 16.57" (421mm), in January.

Regarding daylight hours, the city sees up to 16 hours in June but a mere 8.5 hours in December. Sunshine hours and conditions also change over the year with an impressive 11.9 hours of sunshine in July and August to just 3.4 hours in December. Furthermore, the UV index fluctuates from a high of 6 in July to a low of 1 in November, December, and January, indicating the variable sunlight throughout the seasons.

The best time to visit Rathdrum

Given the climate patterns, the optimum time to visit Rathdrum would be between June and August. During these months, the city sees lower levels of rainfall at 1.54" (39mm), 0.43" (11mm), and 0.43" (11mm) respectively, thereby favoring outdoor activities. Adding to this, the abundance of sunshine with around 9.8 to 11.9 hours of sunshine each day makes it conducive for sightseeing. The temperatures during these months range from a high of 70.2°F (21.2°C) to 82°F (27.8°C) and low from 44.2°F (6.8°C) to 51.8°F (11°C), providing generally warm and pleasant conditions.

The worst time to visit Rathdrum

Contrastingly, with extreme cold temperatures and heavy snowfall, the least favored duration for a visit to Rathdrum would be from December to February. Snowfall during these months varies from 16.57" (421mm) to 12.24" (311mm). This, along with temperatures dropping to a low of 21.2°F (-6°C), contributes to severe winter conditions, making movement and outdoor excursion challenging.

Spring weather in Rathdrum

Rathdrum experiences spring from March to May. During these months, the temperatures rise gradually from a high of around 43.2°F (6.2°C) in March to about 64.8°F (18.2°C) in May. Rainfall tends to decrease over the span of spring, starting from 2.68" (68mm) in March to 1.77" (45mm) in May, signaling the approach of a drier summer season.

Summer weather in Rathdrum

Summers in Rathdrum, from June to August, are warm and relatively dry, favoring various outdoor pursuits. Humidity lowers down to 50% in June to a minimum of 48% in August, combining with longer daylight hours, between 15.2 hours to 15.6 hours, and delightful high temperatures ranging from 70.2°F (21.2°C) to 82°F (27.8°C).

Autumn weather in Rathdrum

As the year advances into September to November, the city observes autumn. Temperatures descend from a high of 71.4°F (21.9°C) in September to a lower 40.5°F (4.7°C) in November. Rainfall sees a sharp increase from 0.79" (20mm) in September to 2.28" (58mm) in November, marking the onset of the wet winter months.

Winter weather in Rathdrum

Winters in Rathdrum from December to February bring cold weather and notable snowfall. Temperatures drop drastically from a high of 31.3°F (-0.4°C) in December to a chilling, low 21.2°F (-6°C) in December and February. December sees the highest snowfall at a staggering 16.57" (421mm), facilitating several winter sports, albeit imposing challenges to outdoor activities and travel.

Weather in January

Rathdrum, Idaho begins the year with brisk winter temperatures and the highest records of snowfall among other months, amounting to 16.57" (421mm) of snowfall. Weather conditions typically lean towards freezing temperatures, augmented by cloud cover and elevated humidity levels. Weather in January »

Weather in February

The shortest month of the year experiences a gradual rise in temperature, turning the prevailing severe cold slightly milder. Snowfall records decrease relative to January, accumulating to 12.24" (311mm). Foggy conditions persist as a result of high humidity and low visibility parameters. Weather in February »

Weather in March

March notoriously introduces a transition from winter to spring, the latter exhibiting notable weather changes progressively. The month is marked by 17.5 days of rainfall as nature responds to the increasing temperature highs of up to 43.2°F (6.2°C). Weather in March »

Weather in April

While April provides relief from the winter chills, the month brings its share of rain at 1.89" (48mm) precipitation. Rain jackets, suitable footwear and umbrellas become weather essentials during this time. The extended daylight hours start to make a significant impact on daily routines. Weather in April »

Weather in May

As winter recedes completely, May experiences the warm embrace of spring transitioning into summer. This period features an encouraging 9.8 hours of sunshine daily. A period of dry spell characterized by the least pressure of 29.95" (761mm) begins, marking an appropriate time for outdoor engagements. Weather in May »

Weather in June

June in Rathdrum signifies the official arrival of summer. The temperature average high attains 70.2°F (21.2°C), making the month one of the warmest periods in the year. The trend of lower rainfalls and less cloud cover continues, promoting more outdoor activities. Weather in June »

Weather in July

July is Rathdrum's hottest month, characterized by an average high of 81.9°F (27.7°C). The typically pleasant summer days offer the most daylight hours and the lowest rainfall within the year, only 0.43" (11mm). The precious extended sunshine hours invites for long outdoor engagements. Weather in July »

Weather in August

Going forward to August, the weather conditions indicate the gradual transition from summer to autumn. An average high of 82°F (27.8°C) suggests sustained high temperatures from the previous month. However, the length of daily sunshine starts to decrease. Weather in August »

Weather in September

September in Rathdrum brings in the official onset of Autumn marked by declining temperatures. Notably, conditions remain fairly dry with rainfall averaging 0.79" (20mm). The sunlit hours reduce and cloud cover increases, indicating the approach of cooler days. Weather in September »

Weather in October

The fall season continues its course throughout October. A significant increase in precipitation to 2.13" (54mm) and a temperature high decrease to 54.9°F (12.7°C) signals this. The decrease in pressure levels complements the decline in sunlight hours. Weather in October »

Weather in November

November is conspicuous for ushering in higher humidity levels and reduced temperatures. A slack in temperature reduces the highs to 40.5°F (4.7°C), setting the stage for the approaching winter. Rainfall days increase and the daylight hours continue to reduce, signaling the return of the cold season. Weather in November »

Weather in December

Winter's cold grip firmly takes hold in December, with temperature lows plummeting down to 21.2°F (-6°C). The highest rainfall within the year at 3.15" (80mm) indicates the wet nature of the season. Sweaters, scarfs, and warm boots become a necessity with snowfalls becoming regular occurrences. Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Rathdrum?

The most humid month is January, with an average relative humidity of 93%.

What is the wettest month in Rathdrum?

January is the month with the most rainfall in Rathdrum, Idaho. Rain falls for 11.5 days and accumulates 3.27" (83mm) of precipitation.

How many days does it rain in Rathdrum?

Throughout the year, in Rathdrum, there are 141.2 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

When does it snow in Rathdrum?

Months with snowfall in Rathdrum are January through May, September through December.

What is the snowiest month in Rathdrum?

The month with the most snowfall is January, when snow falls for 16.4 days and typically aggregates up to 16.57" (421mm) of snow.

How much does it snow in Rathdrum?

In Rathdrum, Idaho, during the entire year, snow falls for 71.8 days and aggregates up to 56.54" (1436mm) of snow.

When is the lowest UV index in Rathdrum?

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

When is Daylight Saving Time (DST) in Rathdrum?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rathdrum, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Rathdrum?

June through August are months without snowfall in Rathdrum, Idaho.

When are the longest days in Rathdrum?

The month with the longest days in Rathdrum is June, with an average of 16h and 0min of daylight.

What is the driest month in Rathdrum?

The months with the least rainfall in Rathdrum are July and August Rain falls for 5.8 days and accumulates 0.43" (11mm) of rain.

When is the highest UV index in Rathdrum?

July is the month with the highest UV index, with an average maximum UV index of 6.

What month is the hottest in Rathdrum?

The warmest temperatures occur during August, when averages reach a peak of 82°F (27.8°C) and a low of 51.8°F (11°C).

What is the least humid month in Rathdrum?

The least humid month in Rathdrum is August, with an average relative humidity of 48%.

What month has the most sunshine in Rathdrum?

With an average of 11.9h of sunshine, August has the most sunshine of the year in Rathdrum.

What is the coldest month in Rathdrum?

December brings the lowest temperatures in Rathdrum, Idaho, with an average high of 31.3°F (-0.4°C) and an average low of 21.2°F (-6°C).

What is the month with the shortest days in Rathdrum?

The month with the shortest days in Rathdrum is December, with an average of 8h and 30min of daylight.

What is the month with the least sunshine in Rathdrum?

With an average of 3.4h of sunshine, December has the least sunshine of the year.

Average temperature
Rathdrum, ID

Average temperature - Rathdrum, ID

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

Average pressure
Rathdrum, ID

Average pressure - Rathdrum, ID

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed
Rathdrum, ID

Average wind speed - Rathdrum, ID

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

Average humidity
Rathdrum, ID

Average humidity - Rathdrum, ID

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).

Average rainfall
Rathdrum, ID

Average rainfall - Rathdrum, ID

The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").

Average rainfall days
Rathdrum, ID

Average rainfall days - Rathdrum, ID

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).

Average snowfall
Rathdrum, ID

Average snowfall - Rathdrum, ID

The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Rathdrum, ID

Average snowfall days - Rathdrum, ID

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Rathdrum, ID

Average daylight / Average sunshine - Rathdrum, ID

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days
Rathdrum, ID

Average sunshine days - Rathdrum, ID

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).

Average visibility
Rathdrum, ID

Average visibility - Rathdrum, ID

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Rathdrum, Idaho, USA

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