Cathedral of Saint Helena
Church Roman Catholic cathedral in Helena, Gothic Revival architecture
Roman Catholic cathedral in Helena, Montana, dating to the early 20th century with Gothic-inspired details and stained glass. Visitors attend services and note the downtown location.
The Cathedral of Saint Helena is the Roman Catholic cathedral located in Helena, Montana, and serves as the seat of the Diocese of Helena. Construction took place in the early 20th century and the finished building is a local architectural landmark.
The cathedral presents a prominent twin-towered and domed silhouette and an elaborately finished interior with decorative stonework, stained glass and liturgical furnishings. It is a focal point for diocesan ceremonies and is regularly visited by tourists and parishioners.
Built between the late 1900s and the mid 1910s, the cathedral was commissioned by the local Catholic community to serve as the diocesan seat. It has remained the center of Catholic worship in Helena since completion.
The cathedral stands in downtown Helena, within the city that is also Montana’s state capital, and is readily accessible from the town center.
- Diocesan seat: serves as the seat of the Roman Catholic Diocese of Helena and is a major religious landmark in the city.
- Construction period: constructed in the early 20th century, with building works carried out between about 1908 and 1914.
How to Get to Cathedral of Saint Helena #
Located in downtown Helena, accessible by car from US-12/US-287; local street parking and municipal lots are nearby. The airport (Helena Regional, HLN) is about a 20-minute drive.
Tips for Visiting Cathedral of Saint Helena #
- Check Mass schedules before visiting if wishing to attend services; the cathedral maintains an active parish calendar.
- Notice the interior woodwork and organ details-guided tours sometimes point these out.
- Nearby parking is limited during services; arrive early or use nearby street parking.
Best Time to Visit Cathedral of Saint Helena #
Summer months offer the most comfortable conditions for walking historic Helena and visiting the cathedral.
Weather & Climate near Cathedral of Saint Helena #
Cathedral of Saint Helena's climate is classified as Cold Semi-Arid - Cold Semi-Arid climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -12°C to 28°C. Semi-arid with limited rainfall.
January
January is the coldest month with highs of -1°C and lows of -12°C. Light rainfall.
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February
February is freezing with highs of 3°C and lows of -9°C. The driest month with just 10 mm.
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March
March is cold with highs of 8°C and lows of -5°C. Light rainfall.
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April
April is cold with highs of 13°C and lows of 0°C. Light rainfall.
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May
May is cool with highs of 18°C and lows of 4°C. Moderate rainfall (46 mm).
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June
June is cool with highs of 24°C and lows of 8°C. The wettest month with 48 mm of rain.
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July
July is the warmest month with highs of 28°C and lows of 11°C. Moderate rainfall (33 mm).
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August
August is mild with highs of 28°C and lows of 10°C. Moderate rainfall (32 mm).
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September
September is cool with highs of 22°C and lows of 5°C. Light rainfall.
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October
October is cold with highs of 15°C and lows of 0°C. Light rainfall.
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November
November is cold with highs of 6°C and lows of -5°C. Light rainfall.
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December
December is freezing with highs of 0°C and lows of -10°C. Light rainfall.
